Home / 412,938.20-619,253.70-163,568.60

Finding the Fourth Proportional to 412,938.20, 619,253.70 and 163,568.60

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Solution

The fourth proportional to 412,938.20, 619,253.70 and 163,568.60 is: 245,292.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,938.20 : 619,253.70 = 163,568.60 : x
  2. Step 2: Convert to fraction form
    412,938.20/619,253.70 = 163,568.60/x
  3. Step 3: Cross multiply
    412,938.20x = 619,253.70 × 163,568.60
  4. Step 4: Simplify right side
    412,938.20x = 101,290,460,753.82
  5. Step 5: Solve for x
    x = 101,290,460,753.82/412,938.20
  6. Step 6: Final answer
    x = 245,292.06

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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.