Home / 148,449.68-204,887.97-84,787.47

Finding the Fourth Proportional to 148,449.68, 204,887.97 and 84,787.47

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Solution

The fourth proportional to 148,449.68, 204,887.97 and 84,787.47 is: 117,022.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,449.68 : 204,887.97 = 84,787.47 : x
  2. Step 2: Convert to fraction form
    148,449.68/204,887.97 = 84,787.47/x
  3. Step 3: Cross multiply
    148,449.68x = 204,887.97 × 84,787.47
  4. Step 4: Simplify right side
    148,449.68x = 17,371,932,609.74
  5. Step 5: Solve for x
    x = 17,371,932,609.74/148,449.68
  6. Step 6: Final answer
    x = 117,022.37

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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.