Home / 514,138.43-771,199.39-140,161.43

Finding the Fourth Proportional to 514,138.43, 771,199.39 and 140,161.43

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Solution

The fourth proportional to 514,138.43, 771,199.39 and 140,161.43 is: 210,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,138.43 : 771,199.39 = 140,161.43 : x
  2. Step 2: Convert to fraction form
    514,138.43/771,199.39 = 140,161.43/x
  3. Step 3: Cross multiply
    514,138.43x = 771,199.39 × 140,161.43
  4. Step 4: Simplify right side
    514,138.43x = 108,092,410,895.12
  5. Step 5: Solve for x
    x = 108,092,410,895.12/514,138.43
  6. Step 6: Final answer
    x = 210,239.90

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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.