Home / 238,789.30-329,576.29-136,883.13

Finding the Fourth Proportional to 238,789.30, 329,576.29 and 136,883.13

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Solution

The fourth proportional to 238,789.30, 329,576.29 and 136,883.13 is: 188,925.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,789.30 : 329,576.29 = 136,883.13 : x
  2. Step 2: Convert to fraction form
    238,789.30/329,576.29 = 136,883.13/x
  3. Step 3: Cross multiply
    238,789.30x = 329,576.29 × 136,883.13
  4. Step 4: Simplify right side
    238,789.30x = 45,113,435,023.69
  5. Step 5: Solve for x
    x = 45,113,435,023.69/238,789.30
  6. Step 6: Final answer
    x = 188,925.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.