Home / 203,851.51-281,318.90-113,215.97

Finding the Fourth Proportional to 203,851.51, 281,318.90 and 113,215.97

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Solution

The fourth proportional to 203,851.51, 281,318.90 and 113,215.97 is: 156,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,851.51 : 281,318.90 = 113,215.97 : x
  2. Step 2: Convert to fraction form
    203,851.51/281,318.90 = 113,215.97/x
  3. Step 3: Cross multiply
    203,851.51x = 281,318.90 × 113,215.97
  4. Step 4: Simplify right side
    203,851.51x = 31,849,790,697.63
  5. Step 5: Solve for x
    x = 31,849,790,697.63/203,851.51
  6. Step 6: Final answer
    x = 156,240.15

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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.