Home / 125,456.10-188,183.07-55,335.48

Finding the Fourth Proportional to 125,456.10, 188,183.07 and 55,335.48

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Solution

The fourth proportional to 125,456.10, 188,183.07 and 55,335.48 is: 83,002.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,456.10 : 188,183.07 = 55,335.48 : x
  2. Step 2: Convert to fraction form
    125,456.10/188,183.07 = 55,335.48/x
  3. Step 3: Cross multiply
    125,456.10x = 188,183.07 × 55,335.48
  4. Step 4: Simplify right side
    125,456.10x = 10,413,200,506.32
  5. Step 5: Solve for x
    x = 10,413,200,506.32/125,456.10
  6. Step 6: Final answer
    x = 83,002.74

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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.