Home / 217,723.60-326,606.05-84,614.14

Finding the Fourth Proportional to 217,723.60, 326,606.05 and 84,614.14

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Solution

The fourth proportional to 217,723.60, 326,606.05 and 84,614.14 is: 126,929.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,723.60 : 326,606.05 = 84,614.14 : x
  2. Step 2: Convert to fraction form
    217,723.60/326,606.05 = 84,614.14/x
  3. Step 3: Cross multiply
    217,723.60x = 326,606.05 × 84,614.14
  4. Step 4: Simplify right side
    217,723.60x = 27,635,488,406.52
  5. Step 5: Solve for x
    x = 27,635,488,406.52/217,723.60
  6. Step 6: Final answer
    x = 126,929.23

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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.