Home / 122,734.45-169,353.78-69,016.26

Finding the Fourth Proportional to 122,734.45, 169,353.78 and 69,016.26

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Solution

The fourth proportional to 122,734.45, 169,353.78 and 69,016.26 is: 95,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,734.45 : 169,353.78 = 69,016.26 : x
  2. Step 2: Convert to fraction form
    122,734.45/169,353.78 = 69,016.26/x
  3. Step 3: Cross multiply
    122,734.45x = 169,353.78 × 69,016.26
  4. Step 4: Simplify right side
    122,734.45x = 11,688,165,320.08
  5. Step 5: Solve for x
    x = 11,688,165,320.08/122,734.45
  6. Step 6: Final answer
    x = 95,231.33

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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.