Home / 141,433.94-195,182.19-77,771.69

Finding the Fourth Proportional to 141,433.94, 195,182.19 and 77,771.69

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Solution

The fourth proportional to 141,433.94, 195,182.19 and 77,771.69 is: 107,326.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,433.94 : 195,182.19 = 77,771.69 : x
  2. Step 2: Convert to fraction form
    141,433.94/195,182.19 = 77,771.69/x
  3. Step 3: Cross multiply
    141,433.94x = 195,182.19 × 77,771.69
  4. Step 4: Simplify right side
    141,433.94x = 15,179,648,774.20
  5. Step 5: Solve for x
    x = 15,179,648,774.20/141,433.94
  6. Step 6: Final answer
    x = 107,326.78

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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.