Home / 112,158.92-154,773.85-66,835.90

Finding the Fourth Proportional to 112,158.92, 154,773.85 and 66,835.90

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Solution

The fourth proportional to 112,158.92, 154,773.85 and 66,835.90 is: 92,230.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,158.92 : 154,773.85 = 66,835.90 : x
  2. Step 2: Convert to fraction form
    112,158.92/154,773.85 = 66,835.90/x
  3. Step 3: Cross multiply
    112,158.92x = 154,773.85 × 66,835.90
  4. Step 4: Simplify right side
    112,158.92x = 10,344,449,007.19
  5. Step 5: Solve for x
    x = 10,344,449,007.19/112,158.92
  6. Step 6: Final answer
    x = 92,230.28

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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.