Home / 347,150.61-520,922.61-136,936.17

Finding the Fourth Proportional to 347,150.61, 520,922.61 and 136,936.17

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Solution

The fourth proportional to 347,150.61, 520,922.61 and 136,936.17 is: 205,481.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,150.61 : 520,922.61 = 136,936.17 : x
  2. Step 2: Convert to fraction form
    347,150.61/520,922.61 = 136,936.17/x
  3. Step 3: Cross multiply
    347,150.61x = 520,922.61 × 136,936.17
  4. Step 4: Simplify right side
    347,150.61x = 71,333,147,079.80
  5. Step 5: Solve for x
    x = 71,333,147,079.80/347,150.61
  6. Step 6: Final answer
    x = 205,481.84

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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.