Home / 134,150.38-185,123.79-73,721.00

Finding the Fourth Proportional to 134,150.38, 185,123.79 and 73,721.00

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Solution

The fourth proportional to 134,150.38, 185,123.79 and 73,721.00 is: 101,732.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,150.38 : 185,123.79 = 73,721.00 : x
  2. Step 2: Convert to fraction form
    134,150.38/185,123.79 = 73,721.00/x
  3. Step 3: Cross multiply
    134,150.38x = 185,123.79 × 73,721.00
  4. Step 4: Simplify right side
    134,150.38x = 13,647,511,385.40
  5. Step 5: Solve for x
    x = 13,647,511,385.40/134,150.38
  6. Step 6: Final answer
    x = 101,732.93

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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.