Home / 94,059.20-140,935.20-80,849.60

Finding the Fourth Proportional to 94,059.20, 140,935.20 and 80,849.60

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Solution

The fourth proportional to 94,059.20, 140,935.20 and 80,849.60 is: 121,142.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,059.20 : 140,935.20 = 80,849.60 : x
  2. Step 2: Convert to fraction form
    94,059.20/140,935.20 = 80,849.60/x
  3. Step 3: Cross multiply
    94,059.20x = 140,935.20 × 80,849.60
  4. Step 4: Simplify right side
    94,059.20x = 11,394,554,545.92
  5. Step 5: Solve for x
    x = 11,394,554,545.92/94,059.20
  6. Step 6: Final answer
    x = 121,142.37

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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.