Home / 203,236.90-280,450.45-112,596.69

Finding the Fourth Proportional to 203,236.90, 280,450.45 and 112,596.69

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Solution

The fourth proportional to 203,236.90, 280,450.45 and 112,596.69 is: 155,374.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,236.90 : 280,450.45 = 112,596.69 : x
  2. Step 2: Convert to fraction form
    203,236.90/280,450.45 = 112,596.69/x
  3. Step 3: Cross multiply
    203,236.90x = 280,450.45 × 112,596.69
  4. Step 4: Simplify right side
    203,236.90x = 31,577,792,379.01
  5. Step 5: Solve for x
    x = 31,577,792,379.01/203,236.90
  6. Step 6: Final answer
    x = 155,374.31

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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.