Home / 166,943.28-230,380.12-90,460.68

Finding the Fourth Proportional to 166,943.28, 230,380.12 and 90,460.68

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Solution

The fourth proportional to 166,943.28, 230,380.12 and 90,460.68 is: 124,834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,943.28 : 230,380.12 = 90,460.68 : x
  2. Step 2: Convert to fraction form
    166,943.28/230,380.12 = 90,460.68/x
  3. Step 3: Cross multiply
    166,943.28x = 230,380.12 × 90,460.68
  4. Step 4: Simplify right side
    166,943.28x = 20,840,342,313.68
  5. Step 5: Solve for x
    x = 20,840,342,313.68/166,943.28
  6. Step 6: Final answer
    x = 124,834.87

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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.