Home / 113,757.14-156,989.13-63,465.86

Finding the Fourth Proportional to 113,757.14, 156,989.13 and 63,465.86

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Solution

The fourth proportional to 113,757.14, 156,989.13 and 63,465.86 is: 87,585.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,757.14 : 156,989.13 = 63,465.86 : x
  2. Step 2: Convert to fraction form
    113,757.14/156,989.13 = 63,465.86/x
  3. Step 3: Cross multiply
    113,757.14x = 156,989.13 × 63,465.86
  4. Step 4: Simplify right side
    113,757.14x = 9,963,450,146.10
  5. Step 5: Solve for x
    x = 9,963,450,146.10/113,757.14
  6. Step 6: Final answer
    x = 87,585.27

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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.