Home / 321,939.11-444,281.19-176,758.28

Finding the Fourth Proportional to 321,939.11, 444,281.19 and 176,758.28

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Solution

The fourth proportional to 321,939.11, 444,281.19 and 176,758.28 is: 243,929.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,939.11 : 444,281.19 = 176,758.28 : x
  2. Step 2: Convert to fraction form
    321,939.11/444,281.19 = 176,758.28/x
  3. Step 3: Cross multiply
    321,939.11x = 444,281.19 × 176,758.28
  4. Step 4: Simplify right side
    321,939.11x = 78,530,378,980.75
  5. Step 5: Solve for x
    x = 78,530,378,980.75/321,939.11
  6. Step 6: Final answer
    x = 243,929.29

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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.