Home / 266,227.20-398,822.40-160,732.80

Finding the Fourth Proportional to 266,227.20, 398,822.40 and 160,732.80

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Solution

The fourth proportional to 266,227.20, 398,822.40 and 160,732.80 is: 240,786.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,227.20 : 398,822.40 = 160,732.80 : x
  2. Step 2: Convert to fraction form
    266,227.20/398,822.40 = 160,732.80/x
  3. Step 3: Cross multiply
    266,227.20x = 398,822.40 × 160,732.80
  4. Step 4: Simplify right side
    266,227.20x = 64,103,841,054.72
  5. Step 5: Solve for x
    x = 64,103,841,054.72/266,227.20
  6. Step 6: Final answer
    x = 240,786.22

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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.