Home / 440,152.38-659,849.76-187,201.26

Finding the Fourth Proportional to 440,152.38, 659,849.76 and 187,201.26

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Solution

The fourth proportional to 440,152.38, 659,849.76 and 187,201.26 is: 280,640.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,152.38 : 659,849.76 = 187,201.26 : x
  2. Step 2: Convert to fraction form
    440,152.38/659,849.76 = 187,201.26/x
  3. Step 3: Cross multiply
    440,152.38x = 659,849.76 × 187,201.26
  4. Step 4: Simplify right side
    440,152.38x = 123,524,706,482.70
  5. Step 5: Solve for x
    x = 123,524,706,482.70/440,152.38
  6. Step 6: Final answer
    x = 280,640.78

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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.