Home / 127,534.56-191,309.28-38,791.20

Finding the Fourth Proportional to 127,534.56, 191,309.28 and 38,791.20

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Solution

The fourth proportional to 127,534.56, 191,309.28 and 38,791.20 is: 58,189.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,534.56 : 191,309.28 = 38,791.20 : x
  2. Step 2: Convert to fraction form
    127,534.56/191,309.28 = 38,791.20/x
  3. Step 3: Cross multiply
    127,534.56x = 191,309.28 × 38,791.20
  4. Step 4: Simplify right side
    127,534.56x = 7,421,116,542.34
  5. Step 5: Solve for x
    x = 7,421,116,542.34/127,534.56
  6. Step 6: Final answer
    x = 58,189.06

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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.