Home / 131,156.96-196,932.26-75,060.41

Finding the Fourth Proportional to 131,156.96, 196,932.26 and 75,060.41

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Solution

The fourth proportional to 131,156.96, 196,932.26 and 75,060.41 is: 112,703.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,156.96 : 196,932.26 = 75,060.41 : x
  2. Step 2: Convert to fraction form
    131,156.96/196,932.26 = 75,060.41/x
  3. Step 3: Cross multiply
    131,156.96x = 196,932.26 × 75,060.41
  4. Step 4: Simplify right side
    131,156.96x = 14,781,815,380.82
  5. Step 5: Solve for x
    x = 14,781,815,380.82/131,156.96
  6. Step 6: Final answer
    x = 112,703.25

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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.