Home / 141,634.64-195,482.03-81,205.71

Finding the Fourth Proportional to 141,634.64, 195,482.03 and 81,205.71

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Solution

The fourth proportional to 141,634.64, 195,482.03 and 81,205.71 is: 112,078.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,634.64 : 195,482.03 = 81,205.71 : x
  2. Step 2: Convert to fraction form
    141,634.64/195,482.03 = 81,205.71/x
  3. Step 3: Cross multiply
    141,634.64x = 195,482.03 × 81,205.71
  4. Step 4: Simplify right side
    141,634.64x = 15,874,255,899.31
  5. Step 5: Solve for x
    x = 15,874,255,899.31/141,634.64
  6. Step 6: Final answer
    x = 112,078.91

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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.