Home / 347,114.38-520,077.20-189,453.46

Finding the Fourth Proportional to 347,114.38, 520,077.20 and 189,453.46

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Solution

The fourth proportional to 347,114.38, 520,077.20 and 189,453.46 is: 283,855.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,114.38 : 520,077.20 = 189,453.46 : x
  2. Step 2: Convert to fraction form
    347,114.38/520,077.20 = 189,453.46/x
  3. Step 3: Cross multiply
    347,114.38x = 520,077.20 × 189,453.46
  4. Step 4: Simplify right side
    347,114.38x = 98,530,425,007.11
  5. Step 5: Solve for x
    x = 98,530,425,007.11/347,114.38
  6. Step 6: Final answer
    x = 283,855.79

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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.