Home / 266,167.38-399,320.20-133,042.26

Finding the Fourth Proportional to 266,167.38, 399,320.20 and 133,042.26

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Solution

The fourth proportional to 266,167.38, 399,320.20 and 133,042.26 is: 199,597.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,167.38 : 399,320.20 = 133,042.26 : x
  2. Step 2: Convert to fraction form
    266,167.38/399,320.20 = 133,042.26/x
  3. Step 3: Cross multiply
    266,167.38x = 399,320.20 × 133,042.26
  4. Step 4: Simplify right side
    266,167.38x = 53,126,461,871.65
  5. Step 5: Solve for x
    x = 53,126,461,871.65/266,167.38
  6. Step 6: Final answer
    x = 199,597.94

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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.