Home / 127,198.38-175,513.32-73,490.52

Finding the Fourth Proportional to 127,198.38, 175,513.32 and 73,490.52

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Solution

The fourth proportional to 127,198.38, 175,513.32 and 73,490.52 is: 101,405.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,198.38 : 175,513.32 = 73,490.52 : x
  2. Step 2: Convert to fraction form
    127,198.38/175,513.32 = 73,490.52/x
  3. Step 3: Cross multiply
    127,198.38x = 175,513.32 × 73,490.52
  4. Step 4: Simplify right side
    127,198.38x = 12,898,565,153.73
  5. Step 5: Solve for x
    x = 12,898,565,153.73/127,198.38
  6. Step 6: Final answer
    x = 101,405.11

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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.