Home / 122,891.64-169,503.06-82,035.19

Finding the Fourth Proportional to 122,891.64, 169,503.06 and 82,035.19

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Solution

The fourth proportional to 122,891.64, 169,503.06 and 82,035.19 is: 113,150.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,891.64 : 169,503.06 = 82,035.19 : x
  2. Step 2: Convert to fraction form
    122,891.64/169,503.06 = 82,035.19/x
  3. Step 3: Cross multiply
    122,891.64x = 169,503.06 × 82,035.19
  4. Step 4: Simplify right side
    122,891.64x = 13,905,215,732.68
  5. Step 5: Solve for x
    x = 13,905,215,732.68/122,891.64
  6. Step 6: Final answer
    x = 113,150.22

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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.