Home / 135,848.20-203,772.30-100,856.20

Finding the Fourth Proportional to 135,848.20, 203,772.30 and 100,856.20

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Solution

The fourth proportional to 135,848.20, 203,772.30 and 100,856.20 is: 151,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,848.20 : 203,772.30 = 100,856.20 : x
  2. Step 2: Convert to fraction form
    135,848.20/203,772.30 = 100,856.20/x
  3. Step 3: Cross multiply
    135,848.20x = 203,772.30 × 100,856.20
  4. Step 4: Simplify right side
    135,848.20x = 20,551,699,843.26
  5. Step 5: Solve for x
    x = 20,551,699,843.26/135,848.20
  6. Step 6: Final answer
    x = 151,284.30

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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.