Home / 217,715.74-326,594.22-84,606.26

Finding the Fourth Proportional to 217,715.74, 326,594.22 and 84,606.26

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Solution

The fourth proportional to 217,715.74, 326,594.22 and 84,606.26 is: 126,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,715.74 : 326,594.22 = 84,606.26 : x
  2. Step 2: Convert to fraction form
    217,715.74/326,594.22 = 84,606.26/x
  3. Step 3: Cross multiply
    217,715.74x = 326,594.22 × 84,606.26
  4. Step 4: Simplify right side
    217,715.74x = 27,631,914,766.30
  5. Step 5: Solve for x
    x = 27,631,914,766.30/217,715.74
  6. Step 6: Final answer
    x = 126,917.40

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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.