Home / 203,331.36-280,596.90-111,450.60

Finding the Fourth Proportional to 203,331.36, 280,596.90 and 111,450.60

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Solution

The fourth proportional to 203,331.36, 280,596.90 and 111,450.60 is: 153,801.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,331.36 : 280,596.90 = 111,450.60 : x
  2. Step 2: Convert to fraction form
    203,331.36/280,596.90 = 111,450.60/x
  3. Step 3: Cross multiply
    203,331.36x = 280,596.90 × 111,450.60
  4. Step 4: Simplify right side
    203,331.36x = 31,272,692,863.14
  5. Step 5: Solve for x
    x = 31,272,692,863.14/203,331.36
  6. Step 6: Final answer
    x = 153,801.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.