Home / 141,350.52-195,052.24-80,907.40

Finding the Fourth Proportional to 141,350.52, 195,052.24 and 80,907.40

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Solution

The fourth proportional to 141,350.52, 195,052.24 and 80,907.40 is: 111,645.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,350.52 : 195,052.24 = 80,907.40 : x
  2. Step 2: Convert to fraction form
    141,350.52/195,052.24 = 80,907.40/x
  3. Step 3: Cross multiply
    141,350.52x = 195,052.24 × 80,907.40
  4. Step 4: Simplify right side
    141,350.52x = 15,781,169,602.58
  5. Step 5: Solve for x
    x = 15,781,169,602.58/141,350.52
  6. Step 6: Final answer
    x = 111,645.64

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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.