Home / 149,920.20-206,869.89-96,277.86

Finding the Fourth Proportional to 149,920.20, 206,869.89 and 96,277.86

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Solution

The fourth proportional to 149,920.20, 206,869.89 and 96,277.86 is: 132,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,920.20 : 206,869.89 = 96,277.86 : x
  2. Step 2: Convert to fraction form
    149,920.20/206,869.89 = 96,277.86/x
  3. Step 3: Cross multiply
    149,920.20x = 206,869.89 × 96,277.86
  4. Step 4: Simplify right side
    149,920.20x = 19,916,990,307.64
  5. Step 5: Solve for x
    x = 19,916,990,307.64/149,920.20
  6. Step 6: Final answer
    x = 132,850.61

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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.