Home / 442,904.20-664,226.70-158,561.80

Finding the Fourth Proportional to 442,904.20, 664,226.70 and 158,561.80

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Solution

The fourth proportional to 442,904.20, 664,226.70 and 158,561.80 is: 237,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,904.20 : 664,226.70 = 158,561.80 : x
  2. Step 2: Convert to fraction form
    442,904.20/664,226.70 = 158,561.80/x
  3. Step 3: Cross multiply
    442,904.20x = 664,226.70 × 158,561.80
  4. Step 4: Simplify right side
    442,904.20x = 105,320,981,160.06
  5. Step 5: Solve for x
    x = 105,320,981,160.06/442,904.20
  6. Step 6: Final answer
    x = 237,796.30

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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.