Home / 111,086.28-166,648.86-40,966.20

Finding the Fourth Proportional to 111,086.28, 166,648.86 and 40,966.20

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Solution

The fourth proportional to 111,086.28, 166,648.86 and 40,966.20 is: 61,456.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,086.28 : 166,648.86 = 40,966.20 : x
  2. Step 2: Convert to fraction form
    111,086.28/166,648.86 = 40,966.20/x
  3. Step 3: Cross multiply
    111,086.28x = 166,648.86 × 40,966.20
  4. Step 4: Simplify right side
    111,086.28x = 6,826,970,528.53
  5. Step 5: Solve for x
    x = 6,826,970,528.53/111,086.28
  6. Step 6: Final answer
    x = 61,456.47

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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.