Home / 141,546.97-195,336.18-77,886.13

Finding the Fourth Proportional to 141,546.97, 195,336.18 and 77,886.13

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Solution

The fourth proportional to 141,546.97, 195,336.18 and 77,886.13 is: 107,483.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,546.97 : 195,336.18 = 77,886.13 : x
  2. Step 2: Convert to fraction form
    141,546.97/195,336.18 = 77,886.13/x
  3. Step 3: Cross multiply
    141,546.97x = 195,336.18 × 77,886.13
  4. Step 4: Simplify right side
    141,546.97x = 15,213,979,109.18
  5. Step 5: Solve for x
    x = 15,213,979,109.18/141,546.97
  6. Step 6: Final answer
    x = 107,483.61

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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.