Home / 200,748.87-277,122.33-140,556.15

Finding the Fourth Proportional to 200,748.87, 277,122.33 and 140,556.15

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Solution

The fourth proportional to 200,748.87, 277,122.33 and 140,556.15 is: 194,029.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,748.87 : 277,122.33 = 140,556.15 : x
  2. Step 2: Convert to fraction form
    200,748.87/277,122.33 = 140,556.15/x
  3. Step 3: Cross multiply
    200,748.87x = 277,122.33 × 140,556.15
  4. Step 4: Simplify right side
    200,748.87x = 38,951,247,783.83
  5. Step 5: Solve for x
    x = 38,951,247,783.83/200,748.87
  6. Step 6: Final answer
    x = 194,029.72

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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.