Home / 221,096.27-305,113.87-125,608.21

Finding the Fourth Proportional to 221,096.27, 305,113.87 and 125,608.21

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Solution

The fourth proportional to 221,096.27, 305,113.87 and 125,608.21 is: 173,339.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,096.27 : 305,113.87 = 125,608.21 : x
  2. Step 2: Convert to fraction form
    221,096.27/305,113.87 = 125,608.21/x
  3. Step 3: Cross multiply
    221,096.27x = 305,113.87 × 125,608.21
  4. Step 4: Simplify right side
    221,096.27x = 38,324,807,056.87
  5. Step 5: Solve for x
    x = 38,324,807,056.87/221,096.27
  6. Step 6: Final answer
    x = 173,339.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.