Home / 156,113.95-215,442.47-95,672.92

Finding the Fourth Proportional to 156,113.95, 215,442.47 and 95,672.92

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Solution

The fourth proportional to 156,113.95, 215,442.47 and 95,672.92 is: 132,031.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,113.95 : 215,442.47 = 95,672.92 : x
  2. Step 2: Convert to fraction form
    156,113.95/215,442.47 = 95,672.92/x
  3. Step 3: Cross multiply
    156,113.95x = 215,442.47 × 95,672.92
  4. Step 4: Simplify right side
    156,113.95x = 20,612,010,196.91
  5. Step 5: Solve for x
    x = 20,612,010,196.91/156,113.95
  6. Step 6: Final answer
    x = 132,031.83

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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.