Home / 113,121.69-169,683.03-38,242.23

Finding the Fourth Proportional to 113,121.69, 169,683.03 and 38,242.23

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Solution

The fourth proportional to 113,121.69, 169,683.03 and 38,242.23 is: 57,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,121.69 : 169,683.03 = 38,242.23 : x
  2. Step 2: Convert to fraction form
    113,121.69/169,683.03 = 38,242.23/x
  3. Step 3: Cross multiply
    113,121.69x = 169,683.03 × 38,242.23
  4. Step 4: Simplify right side
    113,121.69x = 6,489,057,460.36
  5. Step 5: Solve for x
    x = 6,489,057,460.36/113,121.69
  6. Step 6: Final answer
    x = 57,363.51

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Half scale
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Double scale
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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.