Home / 135,848.15-203,919.86-114,885.76

Finding the Fourth Proportional to 135,848.15, 203,919.86 and 114,885.76

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Solution

The fourth proportional to 135,848.15, 203,919.86 and 114,885.76 is: 172,453.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,848.15 : 203,919.86 = 114,885.76 : x
  2. Step 2: Convert to fraction form
    135,848.15/203,919.86 = 114,885.76/x
  3. Step 3: Cross multiply
    135,848.15x = 203,919.86 × 114,885.76
  4. Step 4: Simplify right side
    135,848.15x = 23,427,488,254.96
  5. Step 5: Solve for x
    x = 23,427,488,254.96/135,848.15
  6. Step 6: Final answer
    x = 172,453.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.