Home / 221,224.24-331,947.12-101,280.96

Finding the Fourth Proportional to 221,224.24, 331,947.12 and 101,280.96

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Solution

The fourth proportional to 221,224.24, 331,947.12 and 101,280.96 is: 151,972.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,224.24 : 331,947.12 = 101,280.96 : x
  2. Step 2: Convert to fraction form
    221,224.24/331,947.12 = 101,280.96/x
  3. Step 3: Cross multiply
    221,224.24x = 331,947.12 × 101,280.96
  4. Step 4: Simplify right side
    221,224.24x = 33,619,922,476.43
  5. Step 5: Solve for x
    x = 33,619,922,476.43/221,224.24
  6. Step 6: Final answer
    x = 151,972.15

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1.5x scale

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.