Home / 156,744.16-216,311.20-92,217.92

Finding the Fourth Proportional to 156,744.16, 216,311.20 and 92,217.92

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Solution

The fourth proportional to 156,744.16, 216,311.20 and 92,217.92 is: 127,263.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,744.16 : 216,311.20 = 92,217.92 : x
  2. Step 2: Convert to fraction form
    156,744.16/216,311.20 = 92,217.92/x
  3. Step 3: Cross multiply
    156,744.16x = 216,311.20 × 92,217.92
  4. Step 4: Simplify right side
    156,744.16x = 19,947,768,936.70
  5. Step 5: Solve for x
    x = 19,947,768,936.70/156,744.16
  6. Step 6: Final answer
    x = 127,263.24

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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.