Home / 112,519.12-155,272.20-62,218.96

Finding the Fourth Proportional to 112,519.12, 155,272.20 and 62,218.96

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Solution

The fourth proportional to 112,519.12, 155,272.20 and 62,218.96 is: 85,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,519.12 : 155,272.20 = 62,218.96 : x
  2. Step 2: Convert to fraction form
    112,519.12/155,272.20 = 62,218.96/x
  3. Step 3: Cross multiply
    112,519.12x = 155,272.20 × 62,218.96
  4. Step 4: Simplify right side
    112,519.12x = 9,660,874,800.91
  5. Step 5: Solve for x
    x = 9,660,874,800.91/112,519.12
  6. Step 6: Final answer
    x = 85,859.85

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1.5x scale

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.