Home / 101,136.20-151,358.70-88,694.60

Finding the Fourth Proportional to 101,136.20, 151,358.70 and 88,694.60

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Solution

The fourth proportional to 101,136.20, 151,358.70 and 88,694.60 is: 132,738.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,136.20 : 151,358.70 = 88,694.60 : x
  2. Step 2: Convert to fraction form
    101,136.20/151,358.70 = 88,694.60/x
  3. Step 3: Cross multiply
    101,136.20x = 151,358.70 × 88,694.60
  4. Step 4: Simplify right side
    101,136.20x = 13,424,699,353.02
  5. Step 5: Solve for x
    x = 13,424,699,353.02/101,136.20
  6. Step 6: Final answer
    x = 132,738.82

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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.