Home / 203,569.52-280,858.70-122,966.42

Finding the Fourth Proportional to 203,569.52, 280,858.70 and 122,966.42

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Solution

The fourth proportional to 203,569.52, 280,858.70 and 122,966.42 is: 169,653.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,569.52 : 280,858.70 = 122,966.42 : x
  2. Step 2: Convert to fraction form
    203,569.52/280,858.70 = 122,966.42/x
  3. Step 3: Cross multiply
    203,569.52x = 280,858.70 × 122,966.42
  4. Step 4: Simplify right side
    203,569.52x = 34,536,188,864.85
  5. Step 5: Solve for x
    x = 34,536,188,864.85/203,569.52
  6. Step 6: Final answer
    x = 169,653.04

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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.