Home / 148,767.60-205,298.62-80,784.02

Finding the Fourth Proportional to 148,767.60, 205,298.62 and 80,784.02

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Solution

The fourth proportional to 148,767.60, 205,298.62 and 80,784.02 is: 111,481.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,767.60 : 205,298.62 = 80,784.02 : x
  2. Step 2: Convert to fraction form
    148,767.60/205,298.62 = 80,784.02/x
  3. Step 3: Cross multiply
    148,767.60x = 205,298.62 × 80,784.02
  4. Step 4: Simplify right side
    148,767.60x = 16,584,847,824.05
  5. Step 5: Solve for x
    x = 16,584,847,824.05/148,767.60
  6. Step 6: Final answer
    x = 111,481.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.