Home / 220,229.24-330,393.09-70,478.52

Finding the Fourth Proportional to 220,229.24, 330,393.09 and 70,478.52

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Solution

The fourth proportional to 220,229.24, 330,393.09 and 70,478.52 is: 105,733.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,229.24 : 330,393.09 = 70,478.52 : x
  2. Step 2: Convert to fraction form
    220,229.24/330,393.09 = 70,478.52/x
  3. Step 3: Cross multiply
    220,229.24x = 330,393.09 × 70,478.52
  4. Step 4: Simplify right side
    220,229.24x = 23,285,614,349.46
  5. Step 5: Solve for x
    x = 23,285,614,349.46/220,229.24
  6. Step 6: Final answer
    x = 105,733.53

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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.