Home / 203,579.46-305,170.62-96,934.76

Finding the Fourth Proportional to 203,579.46, 305,170.62 and 96,934.76

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Solution

The fourth proportional to 203,579.46, 305,170.62 and 96,934.76 is: 145,307.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,579.46 : 305,170.62 = 96,934.76 : x
  2. Step 2: Convert to fraction form
    203,579.46/305,170.62 = 96,934.76/x
  3. Step 3: Cross multiply
    203,579.46x = 305,170.62 × 96,934.76
  4. Step 4: Simplify right side
    203,579.46x = 29,581,639,282.90
  5. Step 5: Solve for x
    x = 29,581,639,282.90/203,579.46
  6. Step 6: Final answer
    x = 145,307.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.