Home / 122,226.46-168,680.31-68,511.49

Finding the Fourth Proportional to 122,226.46, 168,680.31 and 68,511.49

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Solution

The fourth proportional to 122,226.46, 168,680.31 and 68,511.49 is: 94,550.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,226.46 : 168,680.31 = 68,511.49 : x
  2. Step 2: Convert to fraction form
    122,226.46/168,680.31 = 68,511.49/x
  3. Step 3: Cross multiply
    122,226.46x = 168,680.31 × 68,511.49
  4. Step 4: Simplify right side
    122,226.46x = 11,556,538,693.14
  5. Step 5: Solve for x
    x = 11,556,538,693.14/122,226.46
  6. Step 6: Final answer
    x = 94,550.22

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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.