Home / 442,769.09-664,104.42-158,448.15

Finding the Fourth Proportional to 442,769.09, 664,104.42 and 158,448.15

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Solution

The fourth proportional to 442,769.09, 664,104.42 and 158,448.15 is: 237,654.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,769.09 : 664,104.42 = 158,448.15 : x
  2. Step 2: Convert to fraction form
    442,769.09/664,104.42 = 158,448.15/x
  3. Step 3: Cross multiply
    442,769.09x = 664,104.42 × 158,448.15
  4. Step 4: Simplify right side
    442,769.09x = 105,226,116,755.82
  5. Step 5: Solve for x
    x = 105,226,116,755.82/442,769.09
  6. Step 6: Final answer
    x = 237,654.62

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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.