Home / 217,569.22-326,274.08-75,377.78

Finding the Fourth Proportional to 217,569.22, 326,274.08 and 75,377.78

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Solution

The fourth proportional to 217,569.22, 326,274.08 and 75,377.78 is: 113,039.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,569.22 : 326,274.08 = 75,377.78 : x
  2. Step 2: Convert to fraction form
    217,569.22/326,274.08 = 75,377.78/x
  3. Step 3: Cross multiply
    217,569.22x = 326,274.08 × 75,377.78
  4. Step 4: Simplify right side
    217,569.22x = 24,593,815,821.94
  5. Step 5: Solve for x
    x = 24,593,815,821.94/217,569.22
  6. Step 6: Final answer
    x = 113,039.04

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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.