Home / 238,979.52-358,691.02-120,733.90

Finding the Fourth Proportional to 238,979.52, 358,691.02 and 120,733.90

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Solution

The fourth proportional to 238,979.52, 358,691.02 and 120,733.90 is: 181,212.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,979.52 : 358,691.02 = 120,733.90 : x
  2. Step 2: Convert to fraction form
    238,979.52/358,691.02 = 120,733.90/x
  3. Step 3: Cross multiply
    238,979.52x = 358,691.02 × 120,733.90
  4. Step 4: Simplify right side
    238,979.52x = 43,306,164,541.02
  5. Step 5: Solve for x
    x = 43,306,164,541.02/238,979.52
  6. Step 6: Final answer
    x = 181,212.87

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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.