Home / 111,280.18-166,920.28-27,039.92

Finding the Fourth Proportional to 111,280.18, 166,920.28 and 27,039.92

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Solution

The fourth proportional to 111,280.18, 166,920.28 and 27,039.92 is: 40,559.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,280.18 : 166,920.28 = 27,039.92 : x
  2. Step 2: Convert to fraction form
    111,280.18/166,920.28 = 27,039.92/x
  3. Step 3: Cross multiply
    111,280.18x = 166,920.28 × 27,039.92
  4. Step 4: Simplify right side
    111,280.18x = 4,513,511,017.58
  5. Step 5: Solve for x
    x = 4,513,511,017.58/111,280.18
  6. Step 6: Final answer
    x = 40,559.88

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1.5x scale

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.