Home / 126,243.18-189,309.33-47,302.04

Finding the Fourth Proportional to 126,243.18, 189,309.33 and 47,302.04

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Solution

The fourth proportional to 126,243.18, 189,309.33 and 47,302.04 is: 70,932.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,243.18 : 189,309.33 = 47,302.04 : x
  2. Step 2: Convert to fraction form
    126,243.18/189,309.33 = 47,302.04/x
  3. Step 3: Cross multiply
    126,243.18x = 189,309.33 × 47,302.04
  4. Step 4: Simplify right side
    126,243.18x = 8,954,717,973.31
  5. Step 5: Solve for x
    x = 8,954,717,973.31/126,243.18
  6. Step 6: Final answer
    x = 70,932.29

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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.