Home / 220,198.24-330,384.88-70,461.60

Finding the Fourth Proportional to 220,198.24, 330,384.88 and 70,461.60

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Solution

The fourth proportional to 220,198.24, 330,384.88 and 70,461.60 is: 105,720.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,198.24 : 330,384.88 = 70,461.60 : x
  2. Step 2: Convert to fraction form
    220,198.24/330,384.88 = 70,461.60/x
  3. Step 3: Cross multiply
    220,198.24x = 330,384.88 × 70,461.60
  4. Step 4: Simplify right side
    220,198.24x = 23,279,447,260.61
  5. Step 5: Solve for x
    x = 23,279,447,260.61/220,198.24
  6. Step 6: Final answer
    x = 105,720.41

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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.