Home / 150,110.36-207,118.38-89,669.18

Finding the Fourth Proportional to 150,110.36, 207,118.38 and 89,669.18

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Solution

The fourth proportional to 150,110.36, 207,118.38 and 89,669.18 is: 123,723.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,110.36 : 207,118.38 = 89,669.18 : x
  2. Step 2: Convert to fraction form
    150,110.36/207,118.38 = 89,669.18/x
  3. Step 3: Cross multiply
    150,110.36x = 207,118.38 × 89,669.18
  4. Step 4: Simplify right side
    150,110.36x = 18,572,135,297.53
  5. Step 5: Solve for x
    x = 18,572,135,297.53/150,110.36
  6. Step 6: Final answer
    x = 123,723.21

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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.