Home / 122,908.83-169,630.37-69,204.35

Finding the Fourth Proportional to 122,908.83, 169,630.37 and 69,204.35

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Solution

The fourth proportional to 122,908.83, 169,630.37 and 69,204.35 is: 95,511.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,908.83 : 169,630.37 = 69,204.35 : x
  2. Step 2: Convert to fraction form
    122,908.83/169,630.37 = 69,204.35/x
  3. Step 3: Cross multiply
    122,908.83x = 169,630.37 × 69,204.35
  4. Step 4: Simplify right side
    122,908.83x = 11,739,158,301.94
  5. Step 5: Solve for x
    x = 11,739,158,301.94/122,908.83
  6. Step 6: Final answer
    x = 95,511.11

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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.