Home / 219,326.33-329,001.19-69,578.60

Finding the Fourth Proportional to 219,326.33, 329,001.19 and 69,578.60

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Solution

The fourth proportional to 219,326.33, 329,001.19 and 69,578.60 is: 104,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,326.33 : 329,001.19 = 69,578.60 : x
  2. Step 2: Convert to fraction form
    219,326.33/329,001.19 = 69,578.60/x
  3. Step 3: Cross multiply
    219,326.33x = 329,001.19 × 69,578.60
  4. Step 4: Simplify right side
    219,326.33x = 22,891,440,770.96
  5. Step 5: Solve for x
    x = 22,891,440,770.96/219,326.33
  6. Step 6: Final answer
    x = 104,371.60

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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.