Home / 141,454.77-195,207.62-77,796.87

Finding the Fourth Proportional to 141,454.77, 195,207.62 and 77,796.87

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Solution

The fourth proportional to 141,454.77, 195,207.62 and 77,796.87 is: 107,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,454.77 : 195,207.62 = 77,796.87 : x
  2. Step 2: Convert to fraction form
    141,454.77/195,207.62 = 77,796.87/x
  3. Step 3: Cross multiply
    141,454.77x = 195,207.62 × 77,796.87
  4. Step 4: Simplify right side
    141,454.77x = 15,186,541,447.17
  5. Step 5: Solve for x
    x = 15,186,541,447.17/141,454.77
  6. Step 6: Final answer
    x = 107,359.70

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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.