Home / 122,914.20-169,610.66-68,462.20

Finding the Fourth Proportional to 122,914.20, 169,610.66 and 68,462.20

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Solution

The fourth proportional to 122,914.20, 169,610.66 and 68,462.20 is: 94,471.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,914.20 : 169,610.66 = 68,462.20 : x
  2. Step 2: Convert to fraction form
    122,914.20/169,610.66 = 68,462.20/x
  3. Step 3: Cross multiply
    122,914.20x = 169,610.66 × 68,462.20
  4. Step 4: Simplify right side
    122,914.20x = 11,611,918,927.05
  5. Step 5: Solve for x
    x = 11,611,918,927.05/122,914.20
  6. Step 6: Final answer
    x = 94,471.74

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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.