Home / 220,212.20-330,330.86-62,428.25

Finding the Fourth Proportional to 220,212.20, 330,330.86 and 62,428.25

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Solution

The fourth proportional to 220,212.20, 330,330.86 and 62,428.25 is: 93,645.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,212.20 : 330,330.86 = 62,428.25 : x
  2. Step 2: Convert to fraction form
    220,212.20/330,330.86 = 62,428.25/x
  3. Step 3: Cross multiply
    220,212.20x = 330,330.86 × 62,428.25
  4. Step 4: Simplify right side
    220,212.20x = 20,621,977,510.80
  5. Step 5: Solve for x
    x = 20,621,977,510.80/220,212.20
  6. Step 6: Final answer
    x = 93,645.94

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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.