Home / 319,711.10-441,198.92-176,471.11

Finding the Fourth Proportional to 319,711.10, 441,198.92 and 176,471.11

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Solution

The fourth proportional to 319,711.10, 441,198.92 and 176,471.11 is: 243,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,711.10 : 441,198.92 = 176,471.11 : x
  2. Step 2: Convert to fraction form
    319,711.10/441,198.92 = 176,471.11/x
  3. Step 3: Cross multiply
    319,711.10x = 441,198.92 × 176,471.11
  4. Step 4: Simplify right side
    319,711.10x = 77,858,860,054.85
  5. Step 5: Solve for x
    x = 77,858,860,054.85/319,711.10
  6. Step 6: Final answer
    x = 243,528.80

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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.