Home / 230,975.20-346,268.40-120,167.20

Finding the Fourth Proportional to 230,975.20, 346,268.40 and 120,167.20

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Solution

The fourth proportional to 230,975.20, 346,268.40 and 120,167.20 is: 180,149.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,975.20 : 346,268.40 = 120,167.20 : x
  2. Step 2: Convert to fraction form
    230,975.20/346,268.40 = 120,167.20/x
  3. Step 3: Cross multiply
    230,975.20x = 346,268.40 × 120,167.20
  4. Step 4: Simplify right side
    230,975.20x = 41,610,104,076.48
  5. Step 5: Solve for x
    x = 41,610,104,076.48/230,975.20
  6. Step 6: Final answer
    x = 180,149.66

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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.