Home / 235,195.16-352,771.92-85,436.73

Finding the Fourth Proportional to 235,195.16, 352,771.92 and 85,436.73

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Solution

The fourth proportional to 235,195.16, 352,771.92 and 85,436.73 is: 128,147.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,195.16 : 352,771.92 = 85,436.73 : x
  2. Step 2: Convert to fraction form
    235,195.16/352,771.92 = 85,436.73/x
  3. Step 3: Cross multiply
    235,195.16x = 352,771.92 × 85,436.73
  4. Step 4: Simplify right side
    235,195.16x = 30,139,679,280.62
  5. Step 5: Solve for x
    x = 30,139,679,280.62/235,195.16
  6. Step 6: Final answer
    x = 128,147.53

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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.