Home / 141,975.88-195,926.86-81,558.20

Finding the Fourth Proportional to 141,975.88, 195,926.86 and 81,558.20

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Solution

The fourth proportional to 141,975.88, 195,926.86 and 81,558.20 is: 112,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,975.88 : 195,926.86 = 81,558.20 : x
  2. Step 2: Convert to fraction form
    141,975.88/195,926.86 = 81,558.20/x
  3. Step 3: Cross multiply
    141,975.88x = 195,926.86 × 81,558.20
  4. Step 4: Simplify right side
    141,975.88x = 15,979,442,033.25
  5. Step 5: Solve for x
    x = 15,979,442,033.25/141,975.88
  6. Step 6: Final answer
    x = 112,550.40

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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.