Home / 202,162.20-302,997.30-143,014.92

Finding the Fourth Proportional to 202,162.20, 302,997.30 and 143,014.92

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Solution

The fourth proportional to 202,162.20, 302,997.30 and 143,014.92 is: 214,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,162.20 : 302,997.30 = 143,014.92 : x
  2. Step 2: Convert to fraction form
    202,162.20/302,997.30 = 143,014.92/x
  3. Step 3: Cross multiply
    202,162.20x = 302,997.30 × 143,014.92
  4. Step 4: Simplify right side
    202,162.20x = 43,333,134,619.72
  5. Step 5: Solve for x
    x = 43,333,134,619.72/202,162.20
  6. Step 6: Final answer
    x = 214,348.35

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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.