Home / 205,049.10-307,573.65-125,906.70

Finding the Fourth Proportional to 205,049.10, 307,573.65 and 125,906.70

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Solution

The fourth proportional to 205,049.10, 307,573.65 and 125,906.70 is: 188,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,049.10 : 307,573.65 = 125,906.70 : x
  2. Step 2: Convert to fraction form
    205,049.10/307,573.65 = 125,906.70/x
  3. Step 3: Cross multiply
    205,049.10x = 307,573.65 × 125,906.70
  4. Step 4: Simplify right side
    205,049.10x = 38,725,583,278.46
  5. Step 5: Solve for x
    x = 38,725,583,278.46/205,049.10
  6. Step 6: Final answer
    x = 188,860.05

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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.