Home / 220,217.97-330,328.91-87,098.25

Finding the Fourth Proportional to 220,217.97, 330,328.91 and 87,098.25

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Solution

The fourth proportional to 220,217.97, 330,328.91 and 87,098.25 is: 130,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,217.97 : 330,328.91 = 87,098.25 : x
  2. Step 2: Convert to fraction form
    220,217.97/330,328.91 = 87,098.25/x
  3. Step 3: Cross multiply
    220,217.97x = 330,328.91 × 87,098.25
  4. Step 4: Simplify right side
    220,217.97x = 28,771,069,033.75
  5. Step 5: Solve for x
    x = 28,771,069,033.75/220,217.97
  6. Step 6: Final answer
    x = 130,648.14

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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.