Home / 203,633.42-281,010.93-111,753.50

Finding the Fourth Proportional to 203,633.42, 281,010.93 and 111,753.50

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Solution

The fourth proportional to 203,633.42, 281,010.93 and 111,753.50 is: 154,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,633.42 : 281,010.93 = 111,753.50 : x
  2. Step 2: Convert to fraction form
    203,633.42/281,010.93 = 111,753.50/x
  3. Step 3: Cross multiply
    203,633.42x = 281,010.93 × 111,753.50
  4. Step 4: Simplify right side
    203,633.42x = 31,403,953,560.70
  5. Step 5: Solve for x
    x = 31,403,953,560.70/203,633.42
  6. Step 6: Final answer
    x = 154,218.08

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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.