Home / 113,627.73-156,807.05-63,329.97

Finding the Fourth Proportional to 113,627.73, 156,807.05 and 63,329.97

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Solution

The fourth proportional to 113,627.73, 156,807.05 and 63,329.97 is: 87,395.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,627.73 : 156,807.05 = 63,329.97 : x
  2. Step 2: Convert to fraction form
    113,627.73/156,807.05 = 63,329.97/x
  3. Step 3: Cross multiply
    113,627.73x = 156,807.05 × 63,329.97
  4. Step 4: Simplify right side
    113,627.73x = 9,930,585,455.64
  5. Step 5: Solve for x
    x = 9,930,585,455.64/113,627.73
  6. Step 6: Final answer
    x = 87,395.79

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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.