Home / 218,229.16-301,325.70-170,399.56

Finding the Fourth Proportional to 218,229.16, 301,325.70 and 170,399.56

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Solution

The fourth proportional to 218,229.16, 301,325.70 and 170,399.56 is: 235,283.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,229.16 : 301,325.70 = 170,399.56 : x
  2. Step 2: Convert to fraction form
    218,229.16/301,325.70 = 170,399.56/x
  3. Step 3: Cross multiply
    218,229.16x = 301,325.70 × 170,399.56
  4. Step 4: Simplify right side
    218,229.16x = 51,345,766,696.69
  5. Step 5: Solve for x
    x = 51,345,766,696.69/218,229.16
  6. Step 6: Final answer
    x = 235,283.71

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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.