Home / 141,116.28-194,744.16-80,696.76

Finding the Fourth Proportional to 141,116.28, 194,744.16 and 80,696.76

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Solution

The fourth proportional to 141,116.28, 194,744.16 and 80,696.76 is: 111,363.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,116.28 : 194,744.16 = 80,696.76 : x
  2. Step 2: Convert to fraction form
    141,116.28/194,744.16 = 80,696.76/x
  3. Step 3: Cross multiply
    141,116.28x = 194,744.16 × 80,696.76
  4. Step 4: Simplify right side
    141,116.28x = 15,715,222,740.92
  5. Step 5: Solve for x
    x = 15,715,222,740.92/141,116.28
  6. Step 6: Final answer
    x = 111,363.64

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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.