Home / 131,887.22-198,028.47-114,172.52

Finding the Fourth Proportional to 131,887.22, 198,028.47 and 114,172.52

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Solution

The fourth proportional to 131,887.22, 198,028.47 and 114,172.52 is: 171,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,887.22 : 198,028.47 = 114,172.52 : x
  2. Step 2: Convert to fraction form
    131,887.22/198,028.47 = 114,172.52/x
  3. Step 3: Cross multiply
    131,887.22x = 198,028.47 × 114,172.52
  4. Step 4: Simplify right side
    131,887.22x = 22,609,409,451.64
  5. Step 5: Solve for x
    x = 22,609,409,451.64/131,887.22
  6. Step 6: Final answer
    x = 171,429.87

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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.