Home / 283,423.28-391,121.68-156,096.16

Finding the Fourth Proportional to 283,423.28, 391,121.68 and 156,096.16

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Solution

The fourth proportional to 283,423.28, 391,121.68 and 156,096.16 is: 215,411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,423.28 : 391,121.68 = 156,096.16 : x
  2. Step 2: Convert to fraction form
    283,423.28/391,121.68 = 156,096.16/x
  3. Step 3: Cross multiply
    283,423.28x = 391,121.68 × 156,096.16
  4. Step 4: Simplify right side
    283,423.28x = 61,052,592,340.75
  5. Step 5: Solve for x
    x = 61,052,592,340.75/283,423.28
  6. Step 6: Final answer
    x = 215,411.35

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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.