Home / 224,539.09-309,337.59-156,432.87

Finding the Fourth Proportional to 224,539.09, 309,337.59 and 156,432.87

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Solution

The fourth proportional to 224,539.09, 309,337.59 and 156,432.87 is: 215,510.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,539.09 : 309,337.59 = 156,432.87 : x
  2. Step 2: Convert to fraction form
    224,539.09/309,337.59 = 156,432.87/x
  3. Step 3: Cross multiply
    224,539.09x = 309,337.59 × 156,432.87
  4. Step 4: Simplify right side
    224,539.09x = 48,390,567,775.93
  5. Step 5: Solve for x
    x = 48,390,567,775.93/224,539.09
  6. Step 6: Final answer
    x = 215,510.66

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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.