Home / 156,454.46-215,944.50-92,829.14

Finding the Fourth Proportional to 156,454.46, 215,944.50 and 92,829.14

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Solution

The fourth proportional to 156,454.46, 215,944.50 and 92,829.14 is: 128,126.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,454.46 : 215,944.50 = 92,829.14 : x
  2. Step 2: Convert to fraction form
    156,454.46/215,944.50 = 92,829.14/x
  3. Step 3: Cross multiply
    156,454.46x = 215,944.50 × 92,829.14
  4. Step 4: Simplify right side
    156,454.46x = 20,045,942,222.73
  5. Step 5: Solve for x
    x = 20,045,942,222.73/156,454.46
  6. Step 6: Final answer
    x = 128,126.37

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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.