Home / 354,624.20-531,936.30-168,000.20

Finding the Fourth Proportional to 354,624.20, 531,936.30 and 168,000.20

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Solution

The fourth proportional to 354,624.20, 531,936.30 and 168,000.20 is: 252,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,624.20 : 531,936.30 = 168,000.20 : x
  2. Step 2: Convert to fraction form
    354,624.20/531,936.30 = 168,000.20/x
  3. Step 3: Cross multiply
    354,624.20x = 531,936.30 × 168,000.20
  4. Step 4: Simplify right side
    354,624.20x = 89,365,404,787.26
  5. Step 5: Solve for x
    x = 89,365,404,787.26/354,624.20
  6. Step 6: Final answer
    x = 252,000.30

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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.