Home / 224,543.15-309,343.19-156,436.94

Finding the Fourth Proportional to 224,543.15, 309,343.19 and 156,436.94

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Solution

The fourth proportional to 224,543.15, 309,343.19 and 156,436.94 is: 215,516.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,543.15 : 309,343.19 = 156,436.94 : x
  2. Step 2: Convert to fraction form
    224,543.15/309,343.19 = 156,436.94/x
  3. Step 3: Cross multiply
    224,543.15x = 309,343.19 × 156,436.94
  4. Step 4: Simplify right side
    224,543.15x = 48,392,700,897.82
  5. Step 5: Solve for x
    x = 48,392,700,897.82/224,543.15
  6. Step 6: Final answer
    x = 215,516.26

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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.