Home / 238,935.66-329,732.40-136,967.24

Finding the Fourth Proportional to 238,935.66, 329,732.40 and 136,967.24

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Solution

The fourth proportional to 238,935.66, 329,732.40 and 136,967.24 is: 189,015.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,935.66 : 329,732.40 = 136,967.24 : x
  2. Step 2: Convert to fraction form
    238,935.66/329,732.40 = 136,967.24/x
  3. Step 3: Cross multiply
    238,935.66x = 329,732.40 × 136,967.24
  4. Step 4: Simplify right side
    238,935.66x = 45,162,536,766.58
  5. Step 5: Solve for x
    x = 45,162,536,766.58/238,935.66
  6. Step 6: Final answer
    x = 189,015.47

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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.