Home / 135,932.40-203,898.60-57,200.40

Finding the Fourth Proportional to 135,932.40, 203,898.60 and 57,200.40

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Solution

The fourth proportional to 135,932.40, 203,898.60 and 57,200.40 is: 85,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,932.40 : 203,898.60 = 57,200.40 : x
  2. Step 2: Convert to fraction form
    135,932.40/203,898.60 = 57,200.40/x
  3. Step 3: Cross multiply
    135,932.40x = 203,898.60 × 57,200.40
  4. Step 4: Simplify right side
    135,932.40x = 11,663,081,479.44
  5. Step 5: Solve for x
    x = 11,663,081,479.44/135,932.40
  6. Step 6: Final answer
    x = 85,800.60

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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.