Home / 223,336.62-308,205.78-121,362.92

Finding the Fourth Proportional to 223,336.62, 308,205.78 and 121,362.92

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Solution

The fourth proportional to 223,336.62, 308,205.78 and 121,362.92 is: 167,481.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,336.62 : 308,205.78 = 121,362.92 : x
  2. Step 2: Convert to fraction form
    223,336.62/308,205.78 = 121,362.92/x
  3. Step 3: Cross multiply
    223,336.62x = 308,205.78 × 121,362.92
  4. Step 4: Simplify right side
    223,336.62x = 37,404,753,421.68
  5. Step 5: Solve for x
    x = 37,404,753,421.68/223,336.62
  6. Step 6: Final answer
    x = 167,481.51

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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.