Home / 167,129.10-230,639.22-95,511.78

Finding the Fourth Proportional to 167,129.10, 230,639.22 and 95,511.78

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Solution

The fourth proportional to 167,129.10, 230,639.22 and 95,511.78 is: 131,806.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,129.10 : 230,639.22 = 95,511.78 : x
  2. Step 2: Convert to fraction form
    167,129.10/230,639.22 = 95,511.78/x
  3. Step 3: Cross multiply
    167,129.10x = 230,639.22 × 95,511.78
  4. Step 4: Simplify right side
    167,129.10x = 22,028,762,440.01
  5. Step 5: Solve for x
    x = 22,028,762,440.01/167,129.10
  6. Step 6: Final answer
    x = 131,806.86

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1.5x scale

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.