Home / 260,925.17-391,535.37-111,149.82

Finding the Fourth Proportional to 260,925.17, 391,535.37 and 111,149.82

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Solution

The fourth proportional to 260,925.17, 391,535.37 and 111,149.82 is: 166,787.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,925.17 : 391,535.37 = 111,149.82 : x
  2. Step 2: Convert to fraction form
    260,925.17/391,535.37 = 111,149.82/x
  3. Step 3: Cross multiply
    260,925.17x = 391,535.37 × 111,149.82
  4. Step 4: Simplify right side
    260,925.17x = 43,519,085,899.13
  5. Step 5: Solve for x
    x = 43,519,085,899.13/260,925.17
  6. Step 6: Final answer
    x = 166,787.61

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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.