Home / 140,496.20-193,886.28-76,832.63

Finding the Fourth Proportional to 140,496.20, 193,886.28 and 76,832.63

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Solution

The fourth proportional to 140,496.20, 193,886.28 and 76,832.63 is: 106,029.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,496.20 : 193,886.28 = 76,832.63 : x
  2. Step 2: Convert to fraction form
    140,496.20/193,886.28 = 76,832.63/x
  3. Step 3: Cross multiply
    140,496.20x = 193,886.28 × 76,832.63
  4. Step 4: Simplify right side
    140,496.20x = 14,896,791,843.89
  5. Step 5: Solve for x
    x = 14,896,791,843.89/140,496.20
  6. Step 6: Final answer
    x = 106,029.86

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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.