Home / 150,412.43-207,549.37-89,961.02

Finding the Fourth Proportional to 150,412.43, 207,549.37 and 89,961.02

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Solution

The fourth proportional to 150,412.43, 207,549.37 and 89,961.02 is: 124,134.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,412.43 : 207,549.37 = 89,961.02 : x
  2. Step 2: Convert to fraction form
    150,412.43/207,549.37 = 89,961.02/x
  3. Step 3: Cross multiply
    150,412.43x = 207,549.37 × 89,961.02
  4. Step 4: Simplify right side
    150,412.43x = 18,671,353,025.56
  5. Step 5: Solve for x
    x = 18,671,353,025.56/150,412.43
  6. Step 6: Final answer
    x = 124,134.38

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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.