Home / 331,618.10-497,427.15-82,300.10

Finding the Fourth Proportional to 331,618.10, 497,427.15 and 82,300.10

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Solution

The fourth proportional to 331,618.10, 497,427.15 and 82,300.10 is: 123,450.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,618.10 : 497,427.15 = 82,300.10 : x
  2. Step 2: Convert to fraction form
    331,618.10/497,427.15 = 82,300.10/x
  3. Step 3: Cross multiply
    331,618.10x = 497,427.15 × 82,300.10
  4. Step 4: Simplify right side
    331,618.10x = 40,938,304,187.72
  5. Step 5: Solve for x
    x = 40,938,304,187.72/331,618.10
  6. Step 6: Final answer
    x = 123,450.15

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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.