Home / 413,036.20-619,400.70-163,666.60

Finding the Fourth Proportional to 413,036.20, 619,400.70 and 163,666.60

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Solution

The fourth proportional to 413,036.20, 619,400.70 and 163,666.60 is: 245,439.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,036.20 : 619,400.70 = 163,666.60 : x
  2. Step 2: Convert to fraction form
    413,036.20/619,400.70 = 163,666.60/x
  3. Step 3: Cross multiply
    413,036.20x = 619,400.70 × 163,666.60
  4. Step 4: Simplify right side
    413,036.20x = 101,375,206,606.62
  5. Step 5: Solve for x
    x = 101,375,206,606.62/413,036.20
  6. Step 6: Final answer
    x = 245,439.04

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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.