Home / 356,445.27-534,626.29-143,204.56

Finding the Fourth Proportional to 356,445.27, 534,626.29 and 143,204.56

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Solution

The fourth proportional to 356,445.27, 534,626.29 and 143,204.56 is: 214,790.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,445.27 : 534,626.29 = 143,204.56 : x
  2. Step 2: Convert to fraction form
    356,445.27/534,626.29 = 143,204.56/x
  3. Step 3: Cross multiply
    356,445.27x = 534,626.29 × 143,204.56
  4. Step 4: Simplify right side
    356,445.27x = 76,560,922,623.88
  5. Step 5: Solve for x
    x = 76,560,922,623.88/356,445.27
  6. Step 6: Final answer
    x = 214,790.12

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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.