Home / 319,731.71-441,229.78-176,491.76

Finding the Fourth Proportional to 319,731.71, 441,229.78 and 176,491.76

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Solution

The fourth proportional to 319,731.71, 441,229.78 and 176,491.76 is: 243,558.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,731.71 : 441,229.78 = 176,491.76 : x
  2. Step 2: Convert to fraction form
    319,731.71/441,229.78 = 176,491.76/x
  3. Step 3: Cross multiply
    319,731.71x = 441,229.78 × 176,491.76
  4. Step 4: Simplify right side
    319,731.71x = 77,873,420,933.00
  5. Step 5: Solve for x
    x = 77,873,420,933.00/319,731.71
  6. Step 6: Final answer
    x = 243,558.65

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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.