Home / 143,926.76-198,618.42-80,262.92

Finding the Fourth Proportional to 143,926.76, 198,618.42 and 80,262.92

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Solution

The fourth proportional to 143,926.76, 198,618.42 and 80,262.92 is: 110,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,926.76 : 198,618.42 = 80,262.92 : x
  2. Step 2: Convert to fraction form
    143,926.76/198,618.42 = 80,262.92/x
  3. Step 3: Cross multiply
    143,926.76x = 198,618.42 × 80,262.92
  4. Step 4: Simplify right side
    143,926.76x = 15,941,694,354.99
  5. Step 5: Solve for x
    x = 15,941,694,354.99/143,926.76
  6. Step 6: Final answer
    x = 110,762.55

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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.