Home / 331,628.04-497,442.06-82,310.04

Finding the Fourth Proportional to 331,628.04, 497,442.06 and 82,310.04

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Solution

The fourth proportional to 331,628.04, 497,442.06 and 82,310.04 is: 123,465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,628.04 : 497,442.06 = 82,310.04 : x
  2. Step 2: Convert to fraction form
    331,628.04/497,442.06 = 82,310.04/x
  3. Step 3: Cross multiply
    331,628.04x = 497,442.06 × 82,310.04
  4. Step 4: Simplify right side
    331,628.04x = 40,944,475,856.28
  5. Step 5: Solve for x
    x = 40,944,475,856.28/331,628.04
  6. Step 6: Final answer
    x = 123,465.06

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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.