Home / 354,076.56-531,197.82-140,856.57

Finding the Fourth Proportional to 354,076.56, 531,197.82 and 140,856.57

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Solution

The fourth proportional to 354,076.56, 531,197.82 and 140,856.57 is: 211,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,076.56 : 531,197.82 = 140,856.57 : x
  2. Step 2: Convert to fraction form
    354,076.56/531,197.82 = 140,856.57/x
  3. Step 3: Cross multiply
    354,076.56x = 531,197.82 × 140,856.57
  4. Step 4: Simplify right side
    354,076.56x = 74,822,702,916.68
  5. Step 5: Solve for x
    x = 74,822,702,916.68/354,076.56
  6. Step 6: Final answer
    x = 211,317.87

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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.