Home / 122,636.30-169,236.54-68,930.39

Finding the Fourth Proportional to 122,636.30, 169,236.54 and 68,930.39

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Solution

The fourth proportional to 122,636.30, 169,236.54 and 68,930.39 is: 95,123.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,636.30 : 169,236.54 = 68,930.39 : x
  2. Step 2: Convert to fraction form
    122,636.30/169,236.54 = 68,930.39/x
  3. Step 3: Cross multiply
    122,636.30x = 169,236.54 × 68,930.39
  4. Step 4: Simplify right side
    122,636.30x = 11,665,541,127.54
  5. Step 5: Solve for x
    x = 11,665,541,127.54/122,636.30
  6. Step 6: Final answer
    x = 95,123.07

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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.