Home / 159,170.28-219,655.14-92,103.40

Finding the Fourth Proportional to 159,170.28, 219,655.14 and 92,103.40

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Solution

The fourth proportional to 159,170.28, 219,655.14 and 92,103.40 is: 127,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,170.28 : 219,655.14 = 92,103.40 : x
  2. Step 2: Convert to fraction form
    159,170.28/219,655.14 = 92,103.40/x
  3. Step 3: Cross multiply
    159,170.28x = 219,655.14 × 92,103.40
  4. Step 4: Simplify right side
    159,170.28x = 20,230,985,221.48
  5. Step 5: Solve for x
    x = 20,230,985,221.48/159,170.28
  6. Step 6: Final answer
    x = 127,102.78

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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.