Home / 135,766.32-203,582.86-55,789.80

Finding the Fourth Proportional to 135,766.32, 203,582.86 and 55,789.80

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Solution

The fourth proportional to 135,766.32, 203,582.86 and 55,789.80 is: 83,657.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,766.32 : 203,582.86 = 55,789.80 : x
  2. Step 2: Convert to fraction form
    135,766.32/203,582.86 = 55,789.80/x
  3. Step 3: Cross multiply
    135,766.32x = 203,582.86 × 55,789.80
  4. Step 4: Simplify right side
    135,766.32x = 11,357,847,042.83
  5. Step 5: Solve for x
    x = 11,357,847,042.83/135,766.32
  6. Step 6: Final answer
    x = 83,657.32

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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.