Home / 203,331.61-280,597.26-111,450.84

Finding the Fourth Proportional to 203,331.61, 280,597.26 and 111,450.84

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Solution

The fourth proportional to 203,331.61, 280,597.26 and 111,450.84 is: 153,801.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,331.61 : 280,597.26 = 111,450.84 : x
  2. Step 2: Convert to fraction form
    203,331.61/280,597.26 = 111,450.84/x
  3. Step 3: Cross multiply
    203,331.61x = 280,597.26 × 111,450.84
  4. Step 4: Simplify right side
    203,331.61x = 31,272,800,328.70
  5. Step 5: Solve for x
    x = 31,272,800,328.70/203,331.61
  6. Step 6: Final answer
    x = 153,801.96

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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.