Home / 113,119.69-169,680.03-38,240.23

Finding the Fourth Proportional to 113,119.69, 169,680.03 and 38,240.23

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Solution

The fourth proportional to 113,119.69, 169,680.03 and 38,240.23 is: 57,360.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,119.69 : 169,680.03 = 38,240.23 : x
  2. Step 2: Convert to fraction form
    113,119.69/169,680.03 = 38,240.23/x
  3. Step 3: Cross multiply
    113,119.69x = 169,680.03 × 38,240.23
  4. Step 4: Simplify right side
    113,119.69x = 6,488,603,373.61
  5. Step 5: Solve for x
    x = 6,488,603,373.61/113,119.69
  6. Step 6: Final answer
    x = 57,360.51

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Half scale
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Double scale
Find fourth proportional to 113,120.69, 169,681.53 and 38,241.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.