Home / 442,935.20-664,273.20-158,592.80

Finding the Fourth Proportional to 442,935.20, 664,273.20 and 158,592.80

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Solution

The fourth proportional to 442,935.20, 664,273.20 and 158,592.80 is: 237,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,935.20 : 664,273.20 = 158,592.80 : x
  2. Step 2: Convert to fraction form
    442,935.20/664,273.20 = 158,592.80/x
  3. Step 3: Cross multiply
    442,935.20x = 664,273.20 × 158,592.80
  4. Step 4: Simplify right side
    442,935.20x = 105,348,946,752.96
  5. Step 5: Solve for x
    x = 105,348,946,752.96/442,935.20
  6. Step 6: Final answer
    x = 237,842.80

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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.