Home / 148,245.69-204,579.14-80,262.70

Finding the Fourth Proportional to 148,245.69, 204,579.14 and 80,262.70

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Solution

The fourth proportional to 148,245.69, 204,579.14 and 80,262.70 is: 110,762.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,245.69 : 204,579.14 = 80,262.70 : x
  2. Step 2: Convert to fraction form
    148,245.69/204,579.14 = 80,262.70/x
  3. Step 3: Cross multiply
    148,245.69x = 204,579.14 × 80,262.70
  4. Step 4: Simplify right side
    148,245.69x = 16,420,073,227.32
  5. Step 5: Solve for x
    x = 16,420,073,227.32/148,245.69
  6. Step 6: Final answer
    x = 110,762.56

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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.