Home / 217,565.96-326,348.92-67,818.32

Finding the Fourth Proportional to 217,565.96, 326,348.92 and 67,818.32

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Solution

The fourth proportional to 217,565.96, 326,348.92 and 67,818.32 is: 101,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,565.96 : 326,348.92 = 67,818.32 : x
  2. Step 2: Convert to fraction form
    217,565.96/326,348.92 = 67,818.32/x
  3. Step 3: Cross multiply
    217,565.96x = 326,348.92 × 67,818.32
  4. Step 4: Simplify right side
    217,565.96x = 22,132,435,488.21
  5. Step 5: Solve for x
    x = 22,132,435,488.21/217,565.96
  6. Step 6: Final answer
    x = 101,727.47

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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.