Home / 140,690.76-211,052.82-88,104.60

Finding the Fourth Proportional to 140,690.76, 211,052.82 and 88,104.60

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Solution

The fourth proportional to 140,690.76, 211,052.82 and 88,104.60 is: 132,167.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,690.76 : 211,052.82 = 88,104.60 : x
  2. Step 2: Convert to fraction form
    140,690.76/211,052.82 = 88,104.60/x
  3. Step 3: Cross multiply
    140,690.76x = 211,052.82 × 88,104.60
  4. Step 4: Simplify right side
    140,690.76x = 18,594,724,284.97
  5. Step 5: Solve for x
    x = 18,594,724,284.97/140,690.76
  6. Step 6: Final answer
    x = 132,167.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.