Home / 127,839.33-191,758.90-34,345.08

Finding the Fourth Proportional to 127,839.33, 191,758.90 and 34,345.08

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Solution

The fourth proportional to 127,839.33, 191,758.90 and 34,345.08 is: 51,517.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,839.33 : 191,758.90 = 34,345.08 : x
  2. Step 2: Convert to fraction form
    127,839.33/191,758.90 = 34,345.08/x
  3. Step 3: Cross multiply
    127,839.33x = 191,758.90 × 34,345.08
  4. Step 4: Simplify right side
    127,839.33x = 6,585,974,761.21
  5. Step 5: Solve for x
    x = 6,585,974,761.21/127,839.33
  6. Step 6: Final answer
    x = 51,517.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.