Home / 223,367.20-308,243.16-122,763.04

Finding the Fourth Proportional to 223,367.20, 308,243.16 and 122,763.04

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Solution

The fourth proportional to 223,367.20, 308,243.16 and 122,763.04 is: 169,411.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,367.20 : 308,243.16 = 122,763.04 : x
  2. Step 2: Convert to fraction form
    223,367.20/308,243.16 = 122,763.04/x
  3. Step 3: Cross multiply
    223,367.20x = 308,243.16 × 122,763.04
  4. Step 4: Simplify right side
    223,367.20x = 37,840,867,380.81
  5. Step 5: Solve for x
    x = 37,840,867,380.81/223,367.20
  6. Step 6: Final answer
    x = 169,411.03

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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.