Home / 131,909.24-197,535.65-92,280.80

Finding the Fourth Proportional to 131,909.24, 197,535.65 and 92,280.80

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Solution

The fourth proportional to 131,909.24, 197,535.65 and 92,280.80 is: 138,191.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,909.24 : 197,535.65 = 92,280.80 : x
  2. Step 2: Convert to fraction form
    131,909.24/197,535.65 = 92,280.80/x
  3. Step 3: Cross multiply
    131,909.24x = 197,535.65 × 92,280.80
  4. Step 4: Simplify right side
    131,909.24x = 18,228,746,361.44
  5. Step 5: Solve for x
    x = 18,228,746,361.44/131,909.24
  6. Step 6: Final answer
    x = 138,191.59

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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.