Home / 354,302.20-531,453.30-188,414.20

Finding the Fourth Proportional to 354,302.20, 531,453.30 and 188,414.20

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Solution

The fourth proportional to 354,302.20, 531,453.30 and 188,414.20 is: 282,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,302.20 : 531,453.30 = 188,414.20 : x
  2. Step 2: Convert to fraction form
    354,302.20/531,453.30 = 188,414.20/x
  3. Step 3: Cross multiply
    354,302.20x = 531,453.30 × 188,414.20
  4. Step 4: Simplify right side
    354,302.20x = 100,133,348,356.86
  5. Step 5: Solve for x
    x = 100,133,348,356.86/354,302.20
  6. Step 6: Final answer
    x = 282,621.30

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1.5x scale

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.