Home / 135,578.52-203,285.66-60,684.68

Finding the Fourth Proportional to 135,578.52, 203,285.66 and 60,684.68

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Solution

The fourth proportional to 135,578.52, 203,285.66 and 60,684.68 is: 90,990.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,578.52 : 203,285.66 = 60,684.68 : x
  2. Step 2: Convert to fraction form
    135,578.52/203,285.66 = 60,684.68/x
  3. Step 3: Cross multiply
    135,578.52x = 203,285.66 × 60,684.68
  4. Step 4: Simplify right side
    135,578.52x = 12,336,325,225.69
  5. Step 5: Solve for x
    x = 12,336,325,225.69/135,578.52
  6. Step 6: Final answer
    x = 90,990.26

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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.