Home / 352,911.62-487,017.09-191,766.66

Finding the Fourth Proportional to 352,911.62, 487,017.09 and 191,766.66

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Solution

The fourth proportional to 352,911.62, 487,017.09 and 191,766.66 is: 264,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,911.62 : 487,017.09 = 191,766.66 : x
  2. Step 2: Convert to fraction form
    352,911.62/487,017.09 = 191,766.66/x
  3. Step 3: Cross multiply
    352,911.62x = 487,017.09 × 191,766.66
  4. Step 4: Simplify right side
    352,911.62x = 93,393,640,712.22
  5. Step 5: Solve for x
    x = 93,393,640,712.22/352,911.62
  6. Step 6: Final answer
    x = 264,637.48

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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.