Home / 104,320.40-156,221.28-95,471.92

Finding the Fourth Proportional to 104,320.40, 156,221.28 and 95,471.92

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Solution

The fourth proportional to 104,320.40, 156,221.28 and 95,471.92 is: 142,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,320.40 : 156,221.28 = 95,471.92 : x
  2. Step 2: Convert to fraction form
    104,320.40/156,221.28 = 95,471.92/x
  3. Step 3: Cross multiply
    104,320.40x = 156,221.28 × 95,471.92
  4. Step 4: Simplify right side
    104,320.40x = 14,914,745,546.46
  5. Step 5: Solve for x
    x = 14,914,745,546.46/104,320.40
  6. Step 6: Final answer
    x = 142,970.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.