Home / 330,646.12-456,296.74-179,743.72

Finding the Fourth Proportional to 330,646.12, 456,296.74 and 179,743.72

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Solution

The fourth proportional to 330,646.12, 456,296.74 and 179,743.72 is: 248,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,646.12 : 456,296.74 = 179,743.72 : x
  2. Step 2: Convert to fraction form
    330,646.12/456,296.74 = 179,743.72/x
  3. Step 3: Cross multiply
    330,646.12x = 456,296.74 × 179,743.72
  4. Step 4: Simplify right side
    330,646.12x = 82,016,473,471.47
  5. Step 5: Solve for x
    x = 82,016,473,471.47/330,646.12
  6. Step 6: Final answer
    x = 248,049.10

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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.