Home / 203,625.42-281,036.80-113,010.50

Finding the Fourth Proportional to 203,625.42, 281,036.80 and 113,010.50

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Solution

The fourth proportional to 203,625.42, 281,036.80 and 113,010.50 is: 155,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,625.42 : 281,036.80 = 113,010.50 : x
  2. Step 2: Convert to fraction form
    203,625.42/281,036.80 = 113,010.50/x
  3. Step 3: Cross multiply
    203,625.42x = 281,036.80 × 113,010.50
  4. Step 4: Simplify right side
    203,625.42x = 31,760,109,286.40
  5. Step 5: Solve for x
    x = 31,760,109,286.40/203,625.42
  6. Step 6: Final answer
    x = 155,973.20

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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.