Home / 150,157.44-207,176.64-89,701.20

Finding the Fourth Proportional to 150,157.44, 207,176.64 and 89,701.20

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Solution

The fourth proportional to 150,157.44, 207,176.64 and 89,701.20 is: 123,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,157.44 : 207,176.64 = 89,701.20 : x
  2. Step 2: Convert to fraction form
    150,157.44/207,176.64 = 89,701.20/x
  3. Step 3: Cross multiply
    150,157.44x = 207,176.64 × 89,701.20
  4. Step 4: Simplify right side
    150,157.44x = 18,583,993,219.97
  5. Step 5: Solve for x
    x = 18,583,993,219.97/150,157.44
  6. Step 6: Final answer
    x = 123,763.39

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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.