Home / 221,828.76-332,789.76-72,057.24

Finding the Fourth Proportional to 221,828.76, 332,789.76 and 72,057.24

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Solution

The fourth proportional to 221,828.76, 332,789.76 and 72,057.24 is: 108,101.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,828.76 : 332,789.76 = 72,057.24 : x
  2. Step 2: Convert to fraction form
    221,828.76/332,789.76 = 72,057.24/x
  3. Step 3: Cross multiply
    221,828.76x = 332,789.76 × 72,057.24
  4. Step 4: Simplify right side
    221,828.76x = 23,979,911,605.86
  5. Step 5: Solve for x
    x = 23,979,911,605.86/221,828.76
  6. Step 6: Final answer
    x = 108,101.00

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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.