Home / 145,197.12-218,873.01-132,584.64

Finding the Fourth Proportional to 145,197.12, 218,873.01 and 132,584.64

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Solution

The fourth proportional to 145,197.12, 218,873.01 and 132,584.64 is: 199,860.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,197.12 : 218,873.01 = 132,584.64 : x
  2. Step 2: Convert to fraction form
    145,197.12/218,873.01 = 132,584.64/x
  3. Step 3: Cross multiply
    145,197.12x = 218,873.01 × 132,584.64
  4. Step 4: Simplify right side
    145,197.12x = 29,019,199,236.57
  5. Step 5: Solve for x
    x = 29,019,199,236.57/145,197.12
  6. Step 6: Final answer
    x = 199,860.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.