Home / 235,520.43-353,272.55-67,041.78

Finding the Fourth Proportional to 235,520.43, 353,272.55 and 67,041.78

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Solution

The fourth proportional to 235,520.43, 353,272.55 and 67,041.78 is: 100,560.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,520.43 : 353,272.55 = 67,041.78 : x
  2. Step 2: Convert to fraction form
    235,520.43/353,272.55 = 67,041.78/x
  3. Step 3: Cross multiply
    235,520.43x = 353,272.55 × 67,041.78
  4. Step 4: Simplify right side
    235,520.43x = 23,684,020,241.93
  5. Step 5: Solve for x
    x = 23,684,020,241.93/235,520.43
  6. Step 6: Final answer
    x = 100,560.36

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1.5x scale

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.