Home / 221,738.19-332,856.06-88,711.20

Finding the Fourth Proportional to 221,738.19, 332,856.06 and 88,711.20

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Solution

The fourth proportional to 221,738.19, 332,856.06 and 88,711.20 is: 133,166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,738.19 : 332,856.06 = 88,711.20 : x
  2. Step 2: Convert to fraction form
    221,738.19/332,856.06 = 88,711.20/x
  3. Step 3: Cross multiply
    221,738.19x = 332,856.06 × 88,711.20
  4. Step 4: Simplify right side
    221,738.19x = 29,528,060,509.87
  5. Step 5: Solve for x
    x = 29,528,060,509.87/221,738.19
  6. Step 6: Final answer
    x = 133,166.33

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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.