Home / 221,335.28-332,021.18-93,288.52

Finding the Fourth Proportional to 221,335.28, 332,021.18 and 93,288.52

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Solution

The fourth proportional to 221,335.28, 332,021.18 and 93,288.52 is: 139,940.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,335.28 : 332,021.18 = 93,288.52 : x
  2. Step 2: Convert to fraction form
    221,335.28/332,021.18 = 93,288.52/x
  3. Step 3: Cross multiply
    221,335.28x = 332,021.18 × 93,288.52
  4. Step 4: Simplify right side
    221,335.28x = 30,973,764,490.85
  5. Step 5: Solve for x
    x = 30,973,764,490.85/221,335.28
  6. Step 6: Final answer
    x = 139,940.48

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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.