Home / 113,566.11-156,721.24-65,847.14

Finding the Fourth Proportional to 113,566.11, 156,721.24 and 65,847.14

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Solution

The fourth proportional to 113,566.11, 156,721.24 and 65,847.14 is: 90,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,566.11 : 156,721.24 = 65,847.14 : x
  2. Step 2: Convert to fraction form
    113,566.11/156,721.24 = 65,847.14/x
  3. Step 3: Cross multiply
    113,566.11x = 156,721.24 × 65,847.14
  4. Step 4: Simplify right side
    113,566.11x = 10,319,645,070.73
  5. Step 5: Solve for x
    x = 10,319,645,070.73/113,566.11
  6. Step 6: Final answer
    x = 90,869.05

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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.