Home / 100,996.88-151,114.41-60,319.59

Finding the Fourth Proportional to 100,996.88, 151,114.41 and 60,319.59

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Solution

The fourth proportional to 100,996.88, 151,114.41 and 60,319.59 is: 90,251.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,996.88 : 151,114.41 = 60,319.59 : x
  2. Step 2: Convert to fraction form
    100,996.88/151,114.41 = 60,319.59/x
  3. Step 3: Cross multiply
    100,996.88x = 151,114.41 × 60,319.59
  4. Step 4: Simplify right side
    100,996.88x = 9,115,158,687.61
  5. Step 5: Solve for x
    x = 9,115,158,687.61/100,996.88
  6. Step 6: Final answer
    x = 90,251.89

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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.