Home / 217,456.14-326,278.08-117,686.73

Finding the Fourth Proportional to 217,456.14, 326,278.08 and 117,686.73

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Solution

The fourth proportional to 217,456.14, 326,278.08 and 117,686.73 is: 176,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,456.14 : 326,278.08 = 117,686.73 : x
  2. Step 2: Convert to fraction form
    217,456.14/326,278.08 = 117,686.73/x
  3. Step 3: Cross multiply
    217,456.14x = 326,278.08 × 117,686.73
  4. Step 4: Simplify right side
    217,456.14x = 38,398,600,305.88
  5. Step 5: Solve for x
    x = 38,398,600,305.88/217,456.14
  6. Step 6: Final answer
    x = 176,580.90

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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.