Home / 94,132.85-140,522.09-80,660.79

Finding the Fourth Proportional to 94,132.85, 140,522.09 and 80,660.79

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Solution

The fourth proportional to 94,132.85, 140,522.09 and 80,660.79 is: 120,410.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,132.85 : 140,522.09 = 80,660.79 : x
  2. Step 2: Convert to fraction form
    94,132.85/140,522.09 = 80,660.79/x
  3. Step 3: Cross multiply
    94,132.85x = 140,522.09 × 80,660.79
  4. Step 4: Simplify right side
    94,132.85x = 11,334,622,388.55
  5. Step 5: Solve for x
    x = 11,334,622,388.55/94,132.85
  6. Step 6: Final answer
    x = 120,410.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.