Home / 122,635.56-169,241.06-68,930.92

Finding the Fourth Proportional to 122,635.56, 169,241.06 and 68,930.92

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Solution

The fourth proportional to 122,635.56, 169,241.06 and 68,930.92 is: 95,126.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,635.56 : 169,241.06 = 68,930.92 : x
  2. Step 2: Convert to fraction form
    122,635.56/169,241.06 = 68,930.92/x
  3. Step 3: Cross multiply
    122,635.56x = 169,241.06 × 68,930.92
  4. Step 4: Simplify right side
    122,635.56x = 11,665,941,967.58
  5. Step 5: Solve for x
    x = 11,665,941,967.58/122,635.56
  6. Step 6: Final answer
    x = 95,126.91

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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.