Home / 143,314.76-214,974.30-54,573.18

Finding the Fourth Proportional to 143,314.76, 214,974.30 and 54,573.18

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Solution

The fourth proportional to 143,314.76, 214,974.30 and 54,573.18 is: 81,860.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,314.76 : 214,974.30 = 54,573.18 : x
  2. Step 2: Convert to fraction form
    143,314.76/214,974.30 = 54,573.18/x
  3. Step 3: Cross multiply
    143,314.76x = 214,974.30 × 54,573.18
  4. Step 4: Simplify right side
    143,314.76x = 11,731,831,169.27
  5. Step 5: Solve for x
    x = 11,731,831,169.27/143,314.76
  6. Step 6: Final answer
    x = 81,860.59

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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.