Home / 355,979.43-534,338.19-238,471.92

Finding the Fourth Proportional to 355,979.43, 534,338.19 and 238,471.92

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Solution

The fourth proportional to 355,979.43, 534,338.19 and 238,471.92 is: 357,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,979.43 : 534,338.19 = 238,471.92 : x
  2. Step 2: Convert to fraction form
    355,979.43/534,338.19 = 238,471.92/x
  3. Step 3: Cross multiply
    355,979.43x = 534,338.19 × 238,471.92
  4. Step 4: Simplify right side
    355,979.43x = 127,424,654,098.63
  5. Step 5: Solve for x
    x = 127,424,654,098.63/355,979.43
  6. Step 6: Final answer
    x = 357,955.10

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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.