Home / 354,214.27-531,209.62-140,889.43

Finding the Fourth Proportional to 354,214.27, 531,209.62 and 140,889.43

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Solution

The fourth proportional to 354,214.27, 531,209.62 and 140,889.43 is: 211,289.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,214.27 : 531,209.62 = 140,889.43 : x
  2. Step 2: Convert to fraction form
    354,214.27/531,209.62 = 140,889.43/x
  3. Step 3: Cross multiply
    354,214.27x = 531,209.62 × 140,889.43
  4. Step 4: Simplify right side
    354,214.27x = 74,841,820,572.32
  5. Step 5: Solve for x
    x = 74,841,820,572.32/354,214.27
  6. Step 6: Final answer
    x = 211,289.68

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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.