Home / 282,154.82-423,274.75-82,450.13

Finding the Fourth Proportional to 282,154.82, 423,274.75 and 82,450.13

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Solution

The fourth proportional to 282,154.82, 423,274.75 and 82,450.13 is: 123,687.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,154.82 : 423,274.75 = 82,450.13 : x
  2. Step 2: Convert to fraction form
    282,154.82/423,274.75 = 82,450.13/x
  3. Step 3: Cross multiply
    282,154.82x = 423,274.75 × 82,450.13
  4. Step 4: Simplify right side
    282,154.82x = 34,899,055,840.72
  5. Step 5: Solve for x
    x = 34,899,055,840.72/282,154.82
  6. Step 6: Final answer
    x = 123,687.61

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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.