Home / 266,617.05-399,482.69-187,565.19

Finding the Fourth Proportional to 266,617.05, 399,482.69 and 187,565.19

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Solution

The fourth proportional to 266,617.05, 399,482.69 and 187,565.19 is: 281,036.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,617.05 : 399,482.69 = 187,565.19 : x
  2. Step 2: Convert to fraction form
    266,617.05/399,482.69 = 187,565.19/x
  3. Step 3: Cross multiply
    266,617.05x = 399,482.69 × 187,565.19
  4. Step 4: Simplify right side
    266,617.05x = 74,929,045,713.74
  5. Step 5: Solve for x
    x = 74,929,045,713.74/266,617.05
  6. Step 6: Final answer
    x = 281,036.21

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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.