Home / 141,634.19-195,488.43-81,203.74

Finding the Fourth Proportional to 141,634.19, 195,488.43 and 81,203.74

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Solution

The fourth proportional to 141,634.19, 195,488.43 and 81,203.74 is: 112,080.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,634.19 : 195,488.43 = 81,203.74 : x
  2. Step 2: Convert to fraction form
    141,634.19/195,488.43 = 81,203.74/x
  3. Step 3: Cross multiply
    141,634.19x = 195,488.43 × 81,203.74
  4. Step 4: Simplify right side
    141,634.19x = 15,874,391,642.73
  5. Step 5: Solve for x
    x = 15,874,391,642.73/141,634.19
  6. Step 6: Final answer
    x = 112,080.22

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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.