Home / 275,100.48-412,656.32-88,111.36

Finding the Fourth Proportional to 275,100.48, 412,656.32 and 88,111.36

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Solution

The fourth proportional to 275,100.48, 412,656.32 and 88,111.36 is: 132,168.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,100.48 : 412,656.32 = 88,111.36 : x
  2. Step 2: Convert to fraction form
    275,100.48/412,656.32 = 88,111.36/x
  3. Step 3: Cross multiply
    275,100.48x = 412,656.32 × 88,111.36
  4. Step 4: Simplify right side
    275,100.48x = 36,359,709,567.80
  5. Step 5: Solve for x
    x = 36,359,709,567.80/275,100.48
  6. Step 6: Final answer
    x = 132,168.83

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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.