Home / 223,322.20-308,181.06-122,718.04

Finding the Fourth Proportional to 223,322.20, 308,181.06 and 122,718.04

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Solution

The fourth proportional to 223,322.20, 308,181.06 and 122,718.04 is: 169,348.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,322.20 : 308,181.06 = 122,718.04 : x
  2. Step 2: Convert to fraction form
    223,322.20/308,181.06 = 122,718.04/x
  3. Step 3: Cross multiply
    223,322.20x = 308,181.06 × 122,718.04
  4. Step 4: Simplify right side
    223,322.20x = 37,819,375,648.32
  5. Step 5: Solve for x
    x = 37,819,375,648.32/223,322.20
  6. Step 6: Final answer
    x = 169,348.93

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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.