Home / 203,746.61-281,167.85-113,103.29

Finding the Fourth Proportional to 203,746.61, 281,167.85 and 113,103.29

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Solution

The fourth proportional to 203,746.61, 281,167.85 and 113,103.29 is: 156,081.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,746.61 : 281,167.85 = 113,103.29 : x
  2. Step 2: Convert to fraction form
    203,746.61/281,167.85 = 113,103.29/x
  3. Step 3: Cross multiply
    203,746.61x = 281,167.85 × 113,103.29
  4. Step 4: Simplify right side
    203,746.61x = 31,801,006,905.87
  5. Step 5: Solve for x
    x = 31,801,006,905.87/203,746.61
  6. Step 6: Final answer
    x = 156,081.16

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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.