Home / 217,731.15-326,596.77-67,984.29

Finding the Fourth Proportional to 217,731.15, 326,596.77 and 67,984.29

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Solution

The fourth proportional to 217,731.15, 326,596.77 and 67,984.29 is: 101,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,731.15 : 326,596.77 = 67,984.29 : x
  2. Step 2: Convert to fraction form
    217,731.15/326,596.77 = 67,984.29/x
  3. Step 3: Cross multiply
    217,731.15x = 326,596.77 × 67,984.29
  4. Step 4: Simplify right side
    217,731.15x = 22,203,449,524.74
  5. Step 5: Solve for x
    x = 22,203,449,524.74/217,731.15
  6. Step 6: Final answer
    x = 101,976.45

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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.