Home / 361,101.30-498,319.49-199,956.35

Finding the Fourth Proportional to 361,101.30, 498,319.49 and 199,956.35

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Solution

The fourth proportional to 361,101.30, 498,319.49 and 199,956.35 is: 275,939.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,101.30 : 498,319.49 = 199,956.35 : x
  2. Step 2: Convert to fraction form
    361,101.30/498,319.49 = 199,956.35/x
  3. Step 3: Cross multiply
    361,101.30x = 498,319.49 × 199,956.35
  4. Step 4: Simplify right side
    361,101.30x = 99,642,142,862.88
  5. Step 5: Solve for x
    x = 99,642,142,862.88/361,101.30
  6. Step 6: Final answer
    x = 275,939.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.