Home / 112,734.92-155,220.12-95,703.86

Finding the Fourth Proportional to 112,734.92, 155,220.12 and 95,703.86

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Solution

The fourth proportional to 112,734.92, 155,220.12 and 95,703.86 is: 131,770.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,734.92 : 155,220.12 = 95,703.86 : x
  2. Step 2: Convert to fraction form
    112,734.92/155,220.12 = 95,703.86/x
  3. Step 3: Cross multiply
    112,734.92x = 155,220.12 × 95,703.86
  4. Step 4: Simplify right side
    112,734.92x = 14,855,164,633.66
  5. Step 5: Solve for x
    x = 14,855,164,633.66/112,734.92
  6. Step 6: Final answer
    x = 131,770.75

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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.