Home / 148,727.61-205,244.28-80,744.65

Finding the Fourth Proportional to 148,727.61, 205,244.28 and 80,744.65

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Solution

The fourth proportional to 148,727.61, 205,244.28 and 80,744.65 is: 111,427.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,727.61 : 205,244.28 = 80,744.65 : x
  2. Step 2: Convert to fraction form
    148,727.61/205,244.28 = 80,744.65/x
  3. Step 3: Cross multiply
    148,727.61x = 205,244.28 × 80,744.65
  4. Step 4: Simplify right side
    148,727.61x = 16,572,377,039.99
  5. Step 5: Solve for x
    x = 16,572,377,039.99/148,727.61
  6. Step 6: Final answer
    x = 111,427.71

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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.