Home / 331,830.04-497,746.98-82,512.04

Finding the Fourth Proportional to 331,830.04, 497,746.98 and 82,512.04

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Solution

The fourth proportional to 331,830.04, 497,746.98 and 82,512.04 is: 123,768.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,830.04 : 497,746.98 = 82,512.04 : x
  2. Step 2: Convert to fraction form
    331,830.04/497,746.98 = 82,512.04/x
  3. Step 3: Cross multiply
    331,830.04x = 497,746.98 × 82,512.04
  4. Step 4: Simplify right side
    331,830.04x = 41,070,118,723.64
  5. Step 5: Solve for x
    x = 41,070,118,723.64/331,830.04
  6. Step 6: Final answer
    x = 123,768.54

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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.