Home / 141,658.18-195,488.33-77,995.97

Finding the Fourth Proportional to 141,658.18, 195,488.33 and 77,995.97

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Solution

The fourth proportional to 141,658.18, 195,488.33 and 77,995.97 is: 107,634.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,658.18 : 195,488.33 = 77,995.97 : x
  2. Step 2: Convert to fraction form
    141,658.18/195,488.33 = 77,995.97/x
  3. Step 3: Cross multiply
    141,658.18x = 195,488.33 × 77,995.97
  4. Step 4: Simplify right side
    141,658.18x = 15,247,301,287.69
  5. Step 5: Solve for x
    x = 15,247,301,287.69/141,658.18
  6. Step 6: Final answer
    x = 107,634.46

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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.