Home / 217,712.59-326,581.04-67,973.56

Finding the Fourth Proportional to 217,712.59, 326,581.04 and 67,973.56

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Solution

The fourth proportional to 217,712.59, 326,581.04 and 67,973.56 is: 101,964.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,712.59 : 326,581.04 = 67,973.56 : x
  2. Step 2: Convert to fraction form
    217,712.59/326,581.04 = 67,973.56/x
  3. Step 3: Cross multiply
    217,712.59x = 326,581.04 × 67,973.56
  4. Step 4: Simplify right side
    217,712.59x = 22,198,875,917.30
  5. Step 5: Solve for x
    x = 22,198,875,917.30/217,712.59
  6. Step 6: Final answer
    x = 101,964.13

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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.