Home / 113,553.92-156,716.80-68,840.96

Finding the Fourth Proportional to 113,553.92, 156,716.80 and 68,840.96

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Solution

The fourth proportional to 113,553.92, 156,716.80 and 68,840.96 is: 95,008.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,553.92 : 156,716.80 = 68,840.96 : x
  2. Step 2: Convert to fraction form
    113,553.92/156,716.80 = 68,840.96/x
  3. Step 3: Cross multiply
    113,553.92x = 156,716.80 × 68,840.96
  4. Step 4: Simplify right side
    113,553.92x = 10,788,534,960.13
  5. Step 5: Solve for x
    x = 10,788,534,960.13/113,553.92
  6. Step 6: Final answer
    x = 95,008.04

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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.