Home / 111,129.90-166,716.45-32,246.70

Finding the Fourth Proportional to 111,129.90, 166,716.45 and 32,246.70

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Solution

The fourth proportional to 111,129.90, 166,716.45 and 32,246.70 is: 48,376.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,129.90 : 166,716.45 = 32,246.70 : x
  2. Step 2: Convert to fraction form
    111,129.90/166,716.45 = 32,246.70/x
  3. Step 3: Cross multiply
    111,129.90x = 166,716.45 × 32,246.70
  4. Step 4: Simplify right side
    111,129.90x = 5,376,055,348.22
  5. Step 5: Solve for x
    x = 5,376,055,348.22/111,129.90
  6. Step 6: Final answer
    x = 48,376.32

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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.