Home / 187,979.08-282,042.47-82,724.24

Finding the Fourth Proportional to 187,979.08, 282,042.47 and 82,724.24

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Solution

The fourth proportional to 187,979.08, 282,042.47 and 82,724.24 is: 124,118.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,979.08 : 282,042.47 = 82,724.24 : x
  2. Step 2: Convert to fraction form
    187,979.08/282,042.47 = 82,724.24/x
  3. Step 3: Cross multiply
    187,979.08x = 282,042.47 × 82,724.24
  4. Step 4: Simplify right side
    187,979.08x = 23,331,748,978.47
  5. Step 5: Solve for x
    x = 23,331,748,978.47/187,979.08
  6. Step 6: Final answer
    x = 124,118.86

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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.