Home / 150,500.28-207,694.35-85,083.90

Finding the Fourth Proportional to 150,500.28, 207,694.35 and 85,083.90

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Solution

The fourth proportional to 150,500.28, 207,694.35 and 85,083.90 is: 117,418.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,500.28 : 207,694.35 = 85,083.90 : x
  2. Step 2: Convert to fraction form
    150,500.28/207,694.35 = 85,083.90/x
  3. Step 3: Cross multiply
    150,500.28x = 207,694.35 × 85,083.90
  4. Step 4: Simplify right side
    150,500.28x = 17,671,445,305.97
  5. Step 5: Solve for x
    x = 17,671,445,305.97/150,500.28
  6. Step 6: Final answer
    x = 117,418.02

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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.