Home / 321,279.03-443,359.76-176,083.70

Finding the Fourth Proportional to 321,279.03, 443,359.76 and 176,083.70

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Solution

The fourth proportional to 321,279.03, 443,359.76 and 176,083.70 is: 242,992.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,279.03 : 443,359.76 = 176,083.70 : x
  2. Step 2: Convert to fraction form
    321,279.03/443,359.76 = 176,083.70/x
  3. Step 3: Cross multiply
    321,279.03x = 443,359.76 × 176,083.70
  4. Step 4: Simplify right side
    321,279.03x = 78,068,423,874.69
  5. Step 5: Solve for x
    x = 78,068,423,874.69/321,279.03
  6. Step 6: Final answer
    x = 242,992.59

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1.5x scale

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.