Home / 149,598.75-206,418.02-89,175.03

Finding the Fourth Proportional to 149,598.75, 206,418.02 and 89,175.03

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Solution

The fourth proportional to 149,598.75, 206,418.02 and 89,175.03 is: 123,044.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,598.75 : 206,418.02 = 89,175.03 : x
  2. Step 2: Convert to fraction form
    149,598.75/206,418.02 = 89,175.03/x
  3. Step 3: Cross multiply
    149,598.75x = 206,418.02 × 89,175.03
  4. Step 4: Simplify right side
    149,598.75x = 18,407,332,680.17
  5. Step 5: Solve for x
    x = 18,407,332,680.17/149,598.75
  6. Step 6: Final answer
    x = 123,044.70

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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.