Home / 223,934.55-309,025.05-121,961.79

Finding the Fourth Proportional to 223,934.55, 309,025.05 and 121,961.79

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Solution

The fourth proportional to 223,934.55, 309,025.05 and 121,961.79 is: 168,304.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,934.55 : 309,025.05 = 121,961.79 : x
  2. Step 2: Convert to fraction form
    223,934.55/309,025.05 = 121,961.79/x
  3. Step 3: Cross multiply
    223,934.55x = 309,025.05 × 121,961.79
  4. Step 4: Simplify right side
    223,934.55x = 37,689,248,252.84
  5. Step 5: Solve for x
    x = 37,689,248,252.84/223,934.55
  6. Step 6: Final answer
    x = 168,304.75

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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.