Home / 220,015.44-330,046.92-70,203.24

Finding the Fourth Proportional to 220,015.44, 330,046.92 and 70,203.24

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Solution

The fourth proportional to 220,015.44, 330,046.92 and 70,203.24 is: 105,312.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,015.44 : 330,046.92 = 70,203.24 : x
  2. Step 2: Convert to fraction form
    220,015.44/330,046.92 = 70,203.24/x
  3. Step 3: Cross multiply
    220,015.44x = 330,046.92 × 70,203.24
  4. Step 4: Simplify right side
    220,015.44x = 23,170,363,136.02
  5. Step 5: Solve for x
    x = 23,170,363,136.02/220,015.44
  6. Step 6: Final answer
    x = 105,312.44

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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.