Home / 238,849.92-329,621.96-136,895.06

Finding the Fourth Proportional to 238,849.92, 329,621.96 and 136,895.06

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Solution

The fourth proportional to 238,849.92, 329,621.96 and 136,895.06 is: 188,920.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,849.92 : 329,621.96 = 136,895.06 : x
  2. Step 2: Convert to fraction form
    238,849.92/329,621.96 = 136,895.06/x
  3. Step 3: Cross multiply
    238,849.92x = 329,621.96 × 136,895.06
  4. Step 4: Simplify right side
    238,849.92x = 45,123,616,172.29
  5. Step 5: Solve for x
    x = 45,123,616,172.29/238,849.92
  6. Step 6: Final answer
    x = 188,920.37

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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.