Home / 141,219.28-194,882.36-77,557.07

Finding the Fourth Proportional to 141,219.28, 194,882.36 and 77,557.07

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Solution

The fourth proportional to 141,219.28, 194,882.36 and 77,557.07 is: 107,028.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,219.28 : 194,882.36 = 77,557.07 : x
  2. Step 2: Convert to fraction form
    141,219.28/194,882.36 = 77,557.07/x
  3. Step 3: Cross multiply
    141,219.28x = 194,882.36 × 77,557.07
  4. Step 4: Simplify right side
    141,219.28x = 15,114,504,836.29
  5. Step 5: Solve for x
    x = 15,114,504,836.29/141,219.28
  6. Step 6: Final answer
    x = 107,028.62

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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.