Home / 238,921.38-358,132.08-89,101.44

Finding the Fourth Proportional to 238,921.38, 358,132.08 and 89,101.44

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Solution

The fourth proportional to 238,921.38, 358,132.08 and 89,101.44 is: 133,558.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,921.38 : 358,132.08 = 89,101.44 : x
  2. Step 2: Convert to fraction form
    238,921.38/358,132.08 = 89,101.44/x
  3. Step 3: Cross multiply
    238,921.38x = 358,132.08 × 89,101.44
  4. Step 4: Simplify right side
    238,921.38x = 31,910,084,038.20
  5. Step 5: Solve for x
    x = 31,910,084,038.20/238,921.38
  6. Step 6: Final answer
    x = 133,558.93

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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.