Home / 150,139.60-207,172.22-89,697.44

Finding the Fourth Proportional to 150,139.60, 207,172.22 and 89,697.44

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Solution

The fourth proportional to 150,139.60, 207,172.22 and 89,697.44 is: 123,770.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,139.60 : 207,172.22 = 89,697.44 : x
  2. Step 2: Convert to fraction form
    150,139.60/207,172.22 = 89,697.44/x
  3. Step 3: Cross multiply
    150,139.60x = 207,172.22 × 89,697.44
  4. Step 4: Simplify right side
    150,139.60x = 18,582,817,773.12
  5. Step 5: Solve for x
    x = 18,582,817,773.12/150,139.60
  6. Step 6: Final answer
    x = 123,770.26

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1.5x scale

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.