Home / 219,719.10-329,578.65-101,355.42

Finding the Fourth Proportional to 219,719.10, 329,578.65 and 101,355.42

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Solution

The fourth proportional to 219,719.10, 329,578.65 and 101,355.42 is: 152,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,719.10 : 329,578.65 = 101,355.42 : x
  2. Step 2: Convert to fraction form
    219,719.10/329,578.65 = 101,355.42/x
  3. Step 3: Cross multiply
    219,719.10x = 329,578.65 × 101,355.42
  4. Step 4: Simplify right side
    219,719.10x = 33,404,582,493.78
  5. Step 5: Solve for x
    x = 33,404,582,493.78/219,719.10
  6. Step 6: Final answer
    x = 152,033.13

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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.