Home / 240,643.65-331,983.99-145,097.27

Finding the Fourth Proportional to 240,643.65, 331,983.99 and 145,097.27

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Solution

The fourth proportional to 240,643.65, 331,983.99 and 145,097.27 is: 200,171.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,643.65 : 331,983.99 = 145,097.27 : x
  2. Step 2: Convert to fraction form
    240,643.65/331,983.99 = 145,097.27/x
  3. Step 3: Cross multiply
    240,643.65x = 331,983.99 × 145,097.27
  4. Step 4: Simplify right side
    240,643.65x = 48,169,968,972.79
  5. Step 5: Solve for x
    x = 48,169,968,972.79/240,643.65
  6. Step 6: Final answer
    x = 200,171.37

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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.