Home / 143,167.80-197,483.22-92,163.72

Finding the Fourth Proportional to 143,167.80, 197,483.22 and 92,163.72

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Solution

The fourth proportional to 143,167.80, 197,483.22 and 92,163.72 is: 127,129.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,167.80 : 197,483.22 = 92,163.72 : x
  2. Step 2: Convert to fraction form
    143,167.80/197,483.22 = 92,163.72/x
  3. Step 3: Cross multiply
    143,167.80x = 197,483.22 × 92,163.72
  4. Step 4: Simplify right side
    143,167.80x = 18,200,788,192.78
  5. Step 5: Solve for x
    x = 18,200,788,192.78/143,167.80
  6. Step 6: Final answer
    x = 127,129.06

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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.