Home / 123,346.44-185,076.18-67,102.29

Finding the Fourth Proportional to 123,346.44, 185,076.18 and 67,102.29

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Solution

The fourth proportional to 123,346.44, 185,076.18 and 67,102.29 is: 100,684.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,346.44 : 185,076.18 = 67,102.29 : x
  2. Step 2: Convert to fraction form
    123,346.44/185,076.18 = 67,102.29/x
  3. Step 3: Cross multiply
    123,346.44x = 185,076.18 × 67,102.29
  4. Step 4: Simplify right side
    123,346.44x = 12,419,035,502.45
  5. Step 5: Solve for x
    x = 12,419,035,502.45/123,346.44
  6. Step 6: Final answer
    x = 100,684.18

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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.