Home / 140,127.47-193,380.01-76,469.37

Finding the Fourth Proportional to 140,127.47, 193,380.01 and 76,469.37

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Solution

The fourth proportional to 140,127.47, 193,380.01 and 76,469.37 is: 105,529.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,127.47 : 193,380.01 = 76,469.37 : x
  2. Step 2: Convert to fraction form
    140,127.47/193,380.01 = 76,469.37/x
  3. Step 3: Cross multiply
    140,127.47x = 193,380.01 × 76,469.37
  4. Step 4: Simplify right side
    140,127.47x = 14,787,646,618.95
  5. Step 5: Solve for x
    x = 14,787,646,618.95/140,127.47
  6. Step 6: Final answer
    x = 105,529.96

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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.