Home / 238,982.63-329,805.42-131,562.65

Finding the Fourth Proportional to 238,982.63, 329,805.42 and 131,562.65

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Solution

The fourth proportional to 238,982.63, 329,805.42 and 131,562.65 is: 181,561.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,982.63 : 329,805.42 = 131,562.65 : x
  2. Step 2: Convert to fraction form
    238,982.63/329,805.42 = 131,562.65/x
  3. Step 3: Cross multiply
    238,982.63x = 329,805.42 × 131,562.65
  4. Step 4: Simplify right side
    238,982.63x = 43,390,075,039.56
  5. Step 5: Solve for x
    x = 43,390,075,039.56/238,982.63
  6. Step 6: Final answer
    x = 181,561.63

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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.