Home / 203,724.51-281,109.86-113,081.15

Finding the Fourth Proportional to 203,724.51, 281,109.86 and 113,081.15

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Solution

The fourth proportional to 203,724.51, 281,109.86 and 113,081.15 is: 156,035.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,724.51 : 281,109.86 = 113,081.15 : x
  2. Step 2: Convert to fraction form
    203,724.51/281,109.86 = 113,081.15/x
  3. Step 3: Cross multiply
    203,724.51x = 281,109.86 × 113,081.15
  4. Step 4: Simplify right side
    203,724.51x = 31,788,225,679.73
  5. Step 5: Solve for x
    x = 31,788,225,679.73/203,724.51
  6. Step 6: Final answer
    x = 156,035.36

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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.