Home / 143,795.80-215,912.40-110,553.40

Finding the Fourth Proportional to 143,795.80, 215,912.40 and 110,553.40

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Solution

The fourth proportional to 143,795.80, 215,912.40 and 110,553.40 is: 165,998.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,795.80 : 215,912.40 = 110,553.40 : x
  2. Step 2: Convert to fraction form
    143,795.80/215,912.40 = 110,553.40/x
  3. Step 3: Cross multiply
    143,795.80x = 215,912.40 × 110,553.40
  4. Step 4: Simplify right side
    143,795.80x = 23,869,849,922.16
  5. Step 5: Solve for x
    x = 23,869,849,922.16/143,795.80
  6. Step 6: Final answer
    x = 165,998.24

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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.