Home / 141,512.16-195,376.41-87,854.12

Finding the Fourth Proportional to 141,512.16, 195,376.41 and 87,854.12

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Solution

The fourth proportional to 141,512.16, 195,376.41 and 87,854.12 is: 121,294.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,512.16 : 195,376.41 = 87,854.12 : x
  2. Step 2: Convert to fraction form
    141,512.16/195,376.41 = 87,854.12/x
  3. Step 3: Cross multiply
    141,512.16x = 195,376.41 × 87,854.12
  4. Step 4: Simplify right side
    141,512.16x = 17,164,621,592.43
  5. Step 5: Solve for x
    x = 17,164,621,592.43/141,512.16
  6. Step 6: Final answer
    x = 121,294.32

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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.