Home / 215,375.31-323,062.89-57,599.66

Finding the Fourth Proportional to 215,375.31, 323,062.89 and 57,599.66

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Solution

The fourth proportional to 215,375.31, 323,062.89 and 57,599.66 is: 86,399.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,375.31 : 323,062.89 = 57,599.66 : x
  2. Step 2: Convert to fraction form
    215,375.31/323,062.89 = 57,599.66/x
  3. Step 3: Cross multiply
    215,375.31x = 323,062.89 × 57,599.66
  4. Step 4: Simplify right side
    215,375.31x = 18,608,313,430.27
  5. Step 5: Solve for x
    x = 18,608,313,430.27/215,375.31
  6. Step 6: Final answer
    x = 86,399.47

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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.