Home / 217,764.10-326,491.71-84,532.06

Finding the Fourth Proportional to 217,764.10, 326,491.71 and 84,532.06

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Solution

The fourth proportional to 217,764.10, 326,491.71 and 84,532.06 is: 126,738.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,764.10 : 326,491.71 = 84,532.06 : x
  2. Step 2: Convert to fraction form
    217,764.10/326,491.71 = 84,532.06/x
  3. Step 3: Cross multiply
    217,764.10x = 326,491.71 × 84,532.06
  4. Step 4: Simplify right side
    217,764.10x = 27,599,016,819.22
  5. Step 5: Solve for x
    x = 27,599,016,819.22/217,764.10
  6. Step 6: Final answer
    x = 126,738.14

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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.