Home / 141,553.05-195,337.31-77,022.54

Finding the Fourth Proportional to 141,553.05, 195,337.31 and 77,022.54

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Solution

The fourth proportional to 141,553.05, 195,337.31 and 77,022.54 is: 106,287.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,553.05 : 195,337.31 = 77,022.54 : x
  2. Step 2: Convert to fraction form
    141,553.05/195,337.31 = 77,022.54/x
  3. Step 3: Cross multiply
    141,553.05x = 195,337.31 × 77,022.54
  4. Step 4: Simplify right side
    141,553.05x = 15,045,375,599.27
  5. Step 5: Solve for x
    x = 15,045,375,599.27/141,553.05
  6. Step 6: Final answer
    x = 106,287.89

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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.