Home / 217,741.20-326,611.83-67,994.31

Finding the Fourth Proportional to 217,741.20, 326,611.83 and 67,994.31

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Solution

The fourth proportional to 217,741.20, 326,611.83 and 67,994.31 is: 101,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,741.20 : 326,611.83 = 67,994.31 : x
  2. Step 2: Convert to fraction form
    217,741.20/326,611.83 = 67,994.31/x
  3. Step 3: Cross multiply
    217,741.20x = 326,611.83 × 67,994.31
  4. Step 4: Simplify right side
    217,741.20x = 22,207,746,018.69
  5. Step 5: Solve for x
    x = 22,207,746,018.69/217,741.20
  6. Step 6: Final answer
    x = 101,991.47

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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.