Home / 127,614.12-191,448.87-38,865.33

Finding the Fourth Proportional to 127,614.12, 191,448.87 and 38,865.33

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Solution

The fourth proportional to 127,614.12, 191,448.87 and 38,865.33 is: 58,306.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,614.12 : 191,448.87 = 38,865.33 : x
  2. Step 2: Convert to fraction form
    127,614.12/191,448.87 = 38,865.33/x
  3. Step 3: Cross multiply
    127,614.12x = 191,448.87 × 38,865.33
  4. Step 4: Simplify right side
    127,614.12x = 7,440,723,510.68
  5. Step 5: Solve for x
    x = 7,440,723,510.68/127,614.12
  6. Step 6: Final answer
    x = 58,306.43

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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.