Home / 136,193.86-187,951.35-75,766.42

Finding the Fourth Proportional to 136,193.86, 187,951.35 and 75,766.42

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Solution

The fourth proportional to 136,193.86, 187,951.35 and 75,766.42 is: 104,559.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,193.86 : 187,951.35 = 75,766.42 : x
  2. Step 2: Convert to fraction form
    136,193.86/187,951.35 = 75,766.42/x
  3. Step 3: Cross multiply
    136,193.86x = 187,951.35 × 75,766.42
  4. Step 4: Simplify right side
    136,193.86x = 14,240,400,923.67
  5. Step 5: Solve for x
    x = 14,240,400,923.67/136,193.86
  6. Step 6: Final answer
    x = 104,559.79

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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.