Home / 113,127.12-169,620.93-38,240.19

Finding the Fourth Proportional to 113,127.12, 169,620.93 and 38,240.19

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Solution

The fourth proportional to 113,127.12, 169,620.93 and 38,240.19 is: 57,336.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,127.12 : 169,620.93 = 38,240.19 : x
  2. Step 2: Convert to fraction form
    113,127.12/169,620.93 = 38,240.19/x
  3. Step 3: Cross multiply
    113,127.12x = 169,620.93 × 38,240.19
  4. Step 4: Simplify right side
    113,127.12x = 6,486,336,591.18
  5. Step 5: Solve for x
    x = 6,486,336,591.18/113,127.12
  6. Step 6: Final answer
    x = 57,336.71

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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.