Home / 238,519.71-329,150.23-136,541.79

Finding the Fourth Proportional to 238,519.71, 329,150.23 and 136,541.79

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Solution

The fourth proportional to 238,519.71, 329,150.23 and 136,541.79 is: 188,423.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,519.71 : 329,150.23 = 136,541.79 : x
  2. Step 2: Convert to fraction form
    238,519.71/329,150.23 = 136,541.79/x
  3. Step 3: Cross multiply
    238,519.71x = 329,150.23 × 136,541.79
  4. Step 4: Simplify right side
    238,519.71x = 44,942,761,583.11
  5. Step 5: Solve for x
    x = 44,942,761,583.11/238,519.71
  6. Step 6: Final answer
    x = 188,423.68

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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.