Home / 354,096.08-531,142.68-143,732.24

Finding the Fourth Proportional to 354,096.08, 531,142.68 and 143,732.24

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Solution

The fourth proportional to 354,096.08, 531,142.68 and 143,732.24 is: 215,597.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,096.08 : 531,142.68 = 143,732.24 : x
  2. Step 2: Convert to fraction form
    354,096.08/531,142.68 = 143,732.24/x
  3. Step 3: Cross multiply
    354,096.08x = 531,142.68 × 143,732.24
  4. Step 4: Simplify right side
    354,096.08x = 76,342,327,156.00
  5. Step 5: Solve for x
    x = 76,342,327,156.00/354,096.08
  6. Step 6: Final answer
    x = 215,597.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.