Home / 231,757.32-320,011.11-186,289.59

Finding the Fourth Proportional to 231,757.32, 320,011.11 and 186,289.59

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Solution

The fourth proportional to 231,757.32, 320,011.11 and 186,289.59 is: 257,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,757.32 : 320,011.11 = 186,289.59 : x
  2. Step 2: Convert to fraction form
    231,757.32/320,011.11 = 186,289.59/x
  3. Step 3: Cross multiply
    231,757.32x = 320,011.11 × 186,289.59
  4. Step 4: Simplify right side
    231,757.32x = 59,614,737,545.90
  5. Step 5: Solve for x
    x = 59,614,737,545.90/231,757.32
  6. Step 6: Final answer
    x = 257,229.15

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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.