Home / 203,637.80-281,035.53-113,010.88

Finding the Fourth Proportional to 203,637.80, 281,035.53 and 113,010.88

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Solution

The fourth proportional to 203,637.80, 281,035.53 and 113,010.88 is: 155,963.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,637.80 : 281,035.53 = 113,010.88 : x
  2. Step 2: Convert to fraction form
    203,637.80/281,035.53 = 113,010.88/x
  3. Step 3: Cross multiply
    203,637.80x = 281,035.53 × 113,010.88
  4. Step 4: Simplify right side
    203,637.80x = 31,760,072,556.57
  5. Step 5: Solve for x
    x = 31,760,072,556.57/203,637.80
  6. Step 6: Final answer
    x = 155,963.54

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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.