Home / 148,303.55-204,659.51-80,321.33

Finding the Fourth Proportional to 148,303.55, 204,659.51 and 80,321.33

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Solution

The fourth proportional to 148,303.55, 204,659.51 and 80,321.33 is: 110,843.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,303.55 : 204,659.51 = 80,321.33 : x
  2. Step 2: Convert to fraction form
    148,303.55/204,659.51 = 80,321.33/x
  3. Step 3: Cross multiply
    148,303.55x = 204,659.51 × 80,321.33
  4. Step 4: Simplify right side
    148,303.55x = 16,438,522,615.44
  5. Step 5: Solve for x
    x = 16,438,522,615.44/148,303.55
  6. Step 6: Final answer
    x = 110,843.76

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1.5x scale

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.