Home / 253,947.90-350,450.94-145,066.65

Finding the Fourth Proportional to 253,947.90, 350,450.94 and 145,066.65

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Solution

The fourth proportional to 253,947.90, 350,450.94 and 145,066.65 is: 200,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,947.90 : 350,450.94 = 145,066.65 : x
  2. Step 2: Convert to fraction form
    253,947.90/350,450.94 = 145,066.65/x
  3. Step 3: Cross multiply
    253,947.90x = 350,450.94 × 145,066.65
  4. Step 4: Simplify right side
    253,947.90x = 50,838,743,855.15
  5. Step 5: Solve for x
    x = 50,838,743,855.15/253,947.90
  6. Step 6: Final answer
    x = 200,193.60

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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.