Home / 112,519.76-155,276.70-62,218.76

Finding the Fourth Proportional to 112,519.76, 155,276.70 and 62,218.76

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Solution

The fourth proportional to 112,519.76, 155,276.70 and 62,218.76 is: 85,861.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,519.76 : 155,276.70 = 62,218.76 : x
  2. Step 2: Convert to fraction form
    112,519.76/155,276.70 = 62,218.76/x
  3. Step 3: Cross multiply
    112,519.76x = 155,276.70 × 62,218.76
  4. Step 4: Simplify right side
    112,519.76x = 9,661,123,730.89
  5. Step 5: Solve for x
    x = 9,661,123,730.89/112,519.76
  6. Step 6: Final answer
    x = 85,861.57

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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.