Home / 150,173.26-207,218.60-89,731.14

Finding the Fourth Proportional to 150,173.26, 207,218.60 and 89,731.14

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Solution

The fourth proportional to 150,173.26, 207,218.60 and 89,731.14 is: 123,816.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,173.26 : 207,218.60 = 89,731.14 : x
  2. Step 2: Convert to fraction form
    150,173.26/207,218.60 = 89,731.14/x
  3. Step 3: Cross multiply
    150,173.26x = 207,218.60 × 89,731.14
  4. Step 4: Simplify right side
    150,173.26x = 18,593,961,207.20
  5. Step 5: Solve for x
    x = 18,593,961,207.20/150,173.26
  6. Step 6: Final answer
    x = 123,816.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.