Home / 238,461.17-329,076.32-131,038.12

Finding the Fourth Proportional to 238,461.17, 329,076.32 and 131,038.12

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Solution

The fourth proportional to 238,461.17, 329,076.32 and 131,038.12 is: 180,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,461.17 : 329,076.32 = 131,038.12 : x
  2. Step 2: Convert to fraction form
    238,461.17/329,076.32 = 131,038.12/x
  3. Step 3: Cross multiply
    238,461.17x = 329,076.32 × 131,038.12
  4. Step 4: Simplify right side
    238,461.17x = 43,121,541,414.27
  5. Step 5: Solve for x
    x = 43,121,541,414.27/238,461.17
  6. Step 6: Final answer
    x = 180,832.55

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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.