Home / 235,517.15-353,279.76-67,041.80

Finding the Fourth Proportional to 235,517.15, 353,279.76 and 67,041.80

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Solution

The fourth proportional to 235,517.15, 353,279.76 and 67,041.80 is: 100,563.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,517.15 : 353,279.76 = 67,041.80 : x
  2. Step 2: Convert to fraction form
    235,517.15/353,279.76 = 67,041.80/x
  3. Step 3: Cross multiply
    235,517.15x = 353,279.76 × 67,041.80
  4. Step 4: Simplify right side
    235,517.15x = 23,684,509,247.57
  5. Step 5: Solve for x
    x = 23,684,509,247.57/235,517.15
  6. Step 6: Final answer
    x = 100,563.84

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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.