Home / 353,010.90-487,158.78-191,865.96

Finding the Fourth Proportional to 353,010.90, 487,158.78 and 191,865.96

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Solution

The fourth proportional to 353,010.90, 487,158.78 and 191,865.96 is: 264,777.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,010.90 : 487,158.78 = 191,865.96 : x
  2. Step 2: Convert to fraction form
    353,010.90/487,158.78 = 191,865.96/x
  3. Step 3: Cross multiply
    353,010.90x = 487,158.78 × 191,865.96
  4. Step 4: Simplify right side
    353,010.90x = 93,469,186,997.13
  5. Step 5: Solve for x
    x = 93,469,186,997.13/353,010.90
  6. Step 6: Final answer
    x = 264,777.06

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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.