Home / 266,763.03-399,700.25-187,711.14

Finding the Fourth Proportional to 266,763.03, 399,700.25 and 187,711.14

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Solution

The fourth proportional to 266,763.03, 399,700.25 and 187,711.14 is: 281,254.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,763.03 : 399,700.25 = 187,711.14 : x
  2. Step 2: Convert to fraction form
    266,763.03/399,700.25 = 187,711.14/x
  3. Step 3: Cross multiply
    266,763.03x = 399,700.25 × 187,711.14
  4. Step 4: Simplify right side
    266,763.03x = 75,028,189,585.79
  5. Step 5: Solve for x
    x = 75,028,189,585.79/266,763.03
  6. Step 6: Final answer
    x = 281,254.08

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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.