Home / 319,964.22-441,541.26-176,721.12

Finding the Fourth Proportional to 319,964.22, 441,541.26 and 176,721.12

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Solution

The fourth proportional to 319,964.22, 441,541.26 and 176,721.12 is: 243,869.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,964.22 : 441,541.26 = 176,721.12 : x
  2. Step 2: Convert to fraction form
    319,964.22/441,541.26 = 176,721.12/x
  3. Step 3: Cross multiply
    319,964.22x = 441,541.26 × 176,721.12
  4. Step 4: Simplify right side
    319,964.22x = 78,029,665,993.41
  5. Step 5: Solve for x
    x = 78,029,665,993.41/319,964.22
  6. Step 6: Final answer
    x = 243,869.97

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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.