Home / 148,057.89-204,319.31-80,074.95

Finding the Fourth Proportional to 148,057.89, 204,319.31 and 80,074.95

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Solution

The fourth proportional to 148,057.89, 204,319.31 and 80,074.95 is: 110,503.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,057.89 : 204,319.31 = 80,074.95 : x
  2. Step 2: Convert to fraction form
    148,057.89/204,319.31 = 80,074.95/x
  3. Step 3: Cross multiply
    148,057.89x = 204,319.31 × 80,074.95
  4. Step 4: Simplify right side
    148,057.89x = 16,360,858,131.91
  5. Step 5: Solve for x
    x = 16,360,858,131.91/148,057.89
  6. Step 6: Final answer
    x = 110,503.12

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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.