Home / 170,143.00-255,195.05-45,493.72

Finding the Fourth Proportional to 170,143.00, 255,195.05 and 45,493.72

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Solution

The fourth proportional to 170,143.00, 255,195.05 and 45,493.72 is: 68,235.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,143.00 : 255,195.05 = 45,493.72 : x
  2. Step 2: Convert to fraction form
    170,143.00/255,195.05 = 45,493.72/x
  3. Step 3: Cross multiply
    170,143.00x = 255,195.05 × 45,493.72
  4. Step 4: Simplify right side
    170,143.00x = 11,609,772,241.61
  5. Step 5: Solve for x
    x = 11,609,772,241.61/170,143.00
  6. Step 6: Final answer
    x = 68,235.38

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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.