Home / 223,994.72-309,098.04-123,392.72

Finding the Fourth Proportional to 223,994.72, 309,098.04 and 123,392.72

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Solution

The fourth proportional to 223,994.72, 309,098.04 and 123,392.72 is: 170,273.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,994.72 : 309,098.04 = 123,392.72 : x
  2. Step 2: Convert to fraction form
    223,994.72/309,098.04 = 123,392.72/x
  3. Step 3: Cross multiply
    223,994.72x = 309,098.04 × 123,392.72
  4. Step 4: Simplify right side
    223,994.72x = 38,140,447,902.27
  5. Step 5: Solve for x
    x = 38,140,447,902.27/223,994.72
  6. Step 6: Final answer
    x = 170,273.87

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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.