Home / 127,534.20-191,301.30-104,983.80

Finding the Fourth Proportional to 127,534.20, 191,301.30 and 104,983.80

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Solution

The fourth proportional to 127,534.20, 191,301.30 and 104,983.80 is: 157,475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,534.20 : 191,301.30 = 104,983.80 : x
  2. Step 2: Convert to fraction form
    127,534.20/191,301.30 = 104,983.80/x
  3. Step 3: Cross multiply
    127,534.20x = 191,301.30 × 104,983.80
  4. Step 4: Simplify right side
    127,534.20x = 20,083,537,418.94
  5. Step 5: Solve for x
    x = 20,083,537,418.94/127,534.20
  6. Step 6: Final answer
    x = 157,475.70

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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.