Home / 215,100.08-322,792.25-101,280.44

Finding the Fourth Proportional to 215,100.08, 322,792.25 and 101,280.44

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Solution

The fourth proportional to 215,100.08, 322,792.25 and 101,280.44 is: 151,987.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,100.08 : 322,792.25 = 101,280.44 : x
  2. Step 2: Convert to fraction form
    215,100.08/322,792.25 = 101,280.44/x
  3. Step 3: Cross multiply
    215,100.08x = 322,792.25 × 101,280.44
  4. Step 4: Simplify right side
    215,100.08x = 32,692,542,168.77
  5. Step 5: Solve for x
    x = 32,692,542,168.77/215,100.08
  6. Step 6: Final answer
    x = 151,987.59

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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.