Home / 266,062.22-399,169.50-88,685.18

Finding the Fourth Proportional to 266,062.22, 399,169.50 and 88,685.18

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Solution

The fourth proportional to 266,062.22, 399,169.50 and 88,685.18 is: 133,053.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,062.22 : 399,169.50 = 88,685.18 : x
  2. Step 2: Convert to fraction form
    266,062.22/399,169.50 = 88,685.18/x
  3. Step 3: Cross multiply
    266,062.22x = 399,169.50 × 88,685.18
  4. Step 4: Simplify right side
    266,062.22x = 35,400,418,958.01
  5. Step 5: Solve for x
    x = 35,400,418,958.01/266,062.22
  6. Step 6: Final answer
    x = 133,053.16

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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.