Home / 113,449.28-156,560.80-62,460.64

Finding the Fourth Proportional to 113,449.28, 156,560.80 and 62,460.64

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Solution

The fourth proportional to 113,449.28, 156,560.80 and 62,460.64 is: 86,196.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,449.28 : 156,560.80 = 62,460.64 : x
  2. Step 2: Convert to fraction form
    113,449.28/156,560.80 = 62,460.64/x
  3. Step 3: Cross multiply
    113,449.28x = 156,560.80 × 62,460.64
  4. Step 4: Simplify right side
    113,449.28x = 9,778,887,766.91
  5. Step 5: Solve for x
    x = 9,778,887,766.91/113,449.28
  6. Step 6: Final answer
    x = 86,196.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.