Home / 111,116.28-166,684.55-36,217.20

Finding the Fourth Proportional to 111,116.28, 166,684.55 and 36,217.20

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Solution

The fourth proportional to 111,116.28, 166,684.55 and 36,217.20 is: 54,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,116.28 : 166,684.55 = 36,217.20 : x
  2. Step 2: Convert to fraction form
    111,116.28/166,684.55 = 36,217.20/x
  3. Step 3: Cross multiply
    111,116.28x = 166,684.55 × 36,217.20
  4. Step 4: Simplify right side
    111,116.28x = 6,036,847,503.17
  5. Step 5: Solve for x
    x = 6,036,847,503.17/111,116.28
  6. Step 6: Final answer
    x = 54,329.10

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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.