Home / 166,697.28-230,033.34-91,231.20

Finding the Fourth Proportional to 166,697.28, 230,033.34 and 91,231.20

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Solution

The fourth proportional to 166,697.28, 230,033.34 and 91,231.20 is: 125,894.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,697.28 : 230,033.34 = 91,231.20 : x
  2. Step 2: Convert to fraction form
    166,697.28/230,033.34 = 91,231.20/x
  3. Step 3: Cross multiply
    166,697.28x = 230,033.34 × 91,231.20
  4. Step 4: Simplify right side
    166,697.28x = 20,986,217,648.21
  5. Step 5: Solve for x
    x = 20,986,217,648.21/166,697.28
  6. Step 6: Final answer
    x = 125,894.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.