Home / 215,517.39-323,275.88-57,741.54

Finding the Fourth Proportional to 215,517.39, 323,275.88 and 57,741.54

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Solution

The fourth proportional to 215,517.39, 323,275.88 and 57,741.54 is: 86,612.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,517.39 : 323,275.88 = 57,741.54 : x
  2. Step 2: Convert to fraction form
    215,517.39/323,275.88 = 57,741.54/x
  3. Step 3: Cross multiply
    215,517.39x = 323,275.88 × 57,741.54
  4. Step 4: Simplify right side
    215,517.39x = 18,666,446,867.35
  5. Step 5: Solve for x
    x = 18,666,446,867.35/215,517.39
  6. Step 6: Final answer
    x = 86,612.25

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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.