Home / 117,170.15-175,614.28-67,282.25

Finding the Fourth Proportional to 117,170.15, 175,614.28 and 67,282.25

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Solution

The fourth proportional to 117,170.15, 175,614.28 and 67,282.25 is: 100,842.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,170.15 : 175,614.28 = 67,282.25 : x
  2. Step 2: Convert to fraction form
    117,170.15/175,614.28 = 67,282.25/x
  3. Step 3: Cross multiply
    117,170.15x = 175,614.28 × 67,282.25
  4. Step 4: Simplify right side
    117,170.15x = 11,815,722,844.25
  5. Step 5: Solve for x
    x = 11,815,722,844.25/117,170.15
  6. Step 6: Final answer
    x = 100,842.44

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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.