Home / 94,891.20-142,336.80-93,508.80

Finding the Fourth Proportional to 94,891.20, 142,336.80 and 93,508.80

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Solution

The fourth proportional to 94,891.20, 142,336.80 and 93,508.80 is: 140,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,891.20 : 142,336.80 = 93,508.80 : x
  2. Step 2: Convert to fraction form
    94,891.20/142,336.80 = 93,508.80/x
  3. Step 3: Cross multiply
    94,891.20x = 142,336.80 × 93,508.80
  4. Step 4: Simplify right side
    94,891.20x = 13,309,743,363.84
  5. Step 5: Solve for x
    x = 13,309,743,363.84/94,891.20
  6. Step 6: Final answer
    x = 140,263.20

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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.