Home / 203,689.14-281,094.09-113,050.97

Finding the Fourth Proportional to 203,689.14, 281,094.09 and 113,050.97

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Solution

The fourth proportional to 203,689.14, 281,094.09 and 113,050.97 is: 156,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,689.14 : 281,094.09 = 113,050.97 : x
  2. Step 2: Convert to fraction form
    203,689.14/281,094.09 = 113,050.97/x
  3. Step 3: Cross multiply
    203,689.14x = 281,094.09 × 113,050.97
  4. Step 4: Simplify right side
    203,689.14x = 31,777,959,535.77
  5. Step 5: Solve for x
    x = 31,777,959,535.77/203,689.14
  6. Step 6: Final answer
    x = 156,012.05

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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.