Home / 220,222.46-330,382.91-70,471.73

Finding the Fourth Proportional to 220,222.46, 330,382.91 and 70,471.73

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Solution

The fourth proportional to 220,222.46, 330,382.91 and 70,471.73 is: 105,723.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,222.46 : 330,382.91 = 70,471.73 : x
  2. Step 2: Convert to fraction form
    220,222.46/330,382.91 = 70,471.73/x
  3. Step 3: Cross multiply
    220,222.46x = 330,382.91 × 70,471.73
  4. Step 4: Simplify right side
    220,222.46x = 23,282,655,703.73
  5. Step 5: Solve for x
    x = 23,282,655,703.73/220,222.46
  6. Step 6: Final answer
    x = 105,723.35

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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.