Home / 347,505.13-479,553.83-196,602.13

Finding the Fourth Proportional to 347,505.13, 479,553.83 and 196,602.13

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Solution

The fourth proportional to 347,505.13, 479,553.83 and 196,602.13 is: 271,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,505.13 : 479,553.83 = 196,602.13 : x
  2. Step 2: Convert to fraction form
    347,505.13/479,553.83 = 196,602.13/x
  3. Step 3: Cross multiply
    347,505.13x = 479,553.83 × 196,602.13
  4. Step 4: Simplify right side
    347,505.13x = 94,281,302,029.89
  5. Step 5: Solve for x
    x = 94,281,302,029.89/347,505.13
  6. Step 6: Final answer
    x = 271,309.10

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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.