Home / 141,963.40-195,811.32-115,107.04

Finding the Fourth Proportional to 141,963.40, 195,811.32 and 115,107.04

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Solution

The fourth proportional to 141,963.40, 195,811.32 and 115,107.04 is: 158,768.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,963.40 : 195,811.32 = 115,107.04 : x
  2. Step 2: Convert to fraction form
    141,963.40/195,811.32 = 115,107.04/x
  3. Step 3: Cross multiply
    141,963.40x = 195,811.32 × 115,107.04
  4. Step 4: Simplify right side
    141,963.40x = 22,539,261,443.69
  5. Step 5: Solve for x
    x = 22,539,261,443.69/141,963.40
  6. Step 6: Final answer
    x = 158,768.12

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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.