Home / 354,057.35-531,331.29-140,803.41

Finding the Fourth Proportional to 354,057.35, 531,331.29 and 140,803.41

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Solution

The fourth proportional to 354,057.35, 531,331.29 and 140,803.41 is: 211,302.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,057.35 : 531,331.29 = 140,803.41 : x
  2. Step 2: Convert to fraction form
    354,057.35/531,331.29 = 140,803.41/x
  3. Step 3: Cross multiply
    354,057.35x = 531,331.29 × 140,803.41
  4. Step 4: Simplify right side
    354,057.35x = 74,813,257,471.70
  5. Step 5: Solve for x
    x = 74,813,257,471.70/354,057.35
  6. Step 6: Final answer
    x = 211,302.65

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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.