Home / 141,082.91-194,696.79-77,426.63

Finding the Fourth Proportional to 141,082.91, 194,696.79 and 77,426.63

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Solution

The fourth proportional to 141,082.91, 194,696.79 and 77,426.63 is: 106,850.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,082.91 : 194,696.79 = 77,426.63 : x
  2. Step 2: Convert to fraction form
    141,082.91/194,696.79 = 77,426.63/x
  3. Step 3: Cross multiply
    141,082.91x = 194,696.79 × 77,426.63
  4. Step 4: Simplify right side
    141,082.91x = 15,074,716,321.52
  5. Step 5: Solve for x
    x = 15,074,716,321.52/141,082.91
  6. Step 6: Final answer
    x = 106,850.05

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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.