Home / 219,403.82-329,224.80-93,115.10

Finding the Fourth Proportional to 219,403.82, 329,224.80 and 93,115.10

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Solution

The fourth proportional to 219,403.82, 329,224.80 and 93,115.10 is: 139,723.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,403.82 : 329,224.80 = 93,115.10 : x
  2. Step 2: Convert to fraction form
    219,403.82/329,224.80 = 93,115.10/x
  3. Step 3: Cross multiply
    219,403.82x = 329,224.80 × 93,115.10
  4. Step 4: Simplify right side
    219,403.82x = 30,655,800,174.48
  5. Step 5: Solve for x
    x = 30,655,800,174.48/219,403.82
  6. Step 6: Final answer
    x = 139,723.18

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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.