Home / 170,845.17-256,271.85-52,517.53

Finding the Fourth Proportional to 170,845.17, 256,271.85 and 52,517.53

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Solution

The fourth proportional to 170,845.17, 256,271.85 and 52,517.53 is: 78,777.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,845.17 : 256,271.85 = 52,517.53 : x
  2. Step 2: Convert to fraction form
    170,845.17/256,271.85 = 52,517.53/x
  3. Step 3: Cross multiply
    170,845.17x = 256,271.85 × 52,517.53
  4. Step 4: Simplify right side
    170,845.17x = 13,458,764,890.87
  5. Step 5: Solve for x
    x = 13,458,764,890.87/170,845.17
  6. Step 6: Final answer
    x = 78,777.56

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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.