Home / 320,213.14-441,855.84-176,953.72

Finding the Fourth Proportional to 320,213.14, 441,855.84 and 176,953.72

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Solution

The fourth proportional to 320,213.14, 441,855.84 and 176,953.72 is: 244,174.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,213.14 : 441,855.84 = 176,953.72 : x
  2. Step 2: Convert to fraction form
    320,213.14/441,855.84 = 176,953.72/x
  3. Step 3: Cross multiply
    320,213.14x = 441,855.84 × 176,953.72
  4. Step 4: Simplify right side
    320,213.14x = 78,188,034,591.72
  5. Step 5: Solve for x
    x = 78,188,034,591.72/320,213.14
  6. Step 6: Final answer
    x = 244,174.97

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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.