Home / 351,680.32-527,519.20-193,825.60

Finding the Fourth Proportional to 351,680.32, 527,519.20 and 193,825.60

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Solution

The fourth proportional to 351,680.32, 527,519.20 and 193,825.60 is: 290,737.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,680.32 : 527,519.20 = 193,825.60 : x
  2. Step 2: Convert to fraction form
    351,680.32/527,519.20 = 193,825.60/x
  3. Step 3: Cross multiply
    351,680.32x = 527,519.20 × 193,825.60
  4. Step 4: Simplify right side
    351,680.32x = 102,246,725,451.52
  5. Step 5: Solve for x
    x = 102,246,725,451.52/351,680.32
  6. Step 6: Final answer
    x = 290,737.69

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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.