Home / 200,795.20-277,217.44-125,445.76

Finding the Fourth Proportional to 200,795.20, 277,217.44 and 125,445.76

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Solution

The fourth proportional to 200,795.20, 277,217.44 and 125,445.76 is: 173,190.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,795.20 : 277,217.44 = 125,445.76 : x
  2. Step 2: Convert to fraction form
    200,795.20/277,217.44 = 125,445.76/x
  3. Step 3: Cross multiply
    200,795.20x = 277,217.44 × 125,445.76
  4. Step 4: Simplify right side
    200,795.20x = 34,775,752,446.05
  5. Step 5: Solve for x
    x = 34,775,752,446.05/200,795.20
  6. Step 6: Final answer
    x = 173,190.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.