Home / 319,310.29-440,638.14-176,076.37

Finding the Fourth Proportional to 319,310.29, 440,638.14 and 176,076.37

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Solution

The fourth proportional to 319,310.29, 440,638.14 and 176,076.37 is: 242,979.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,310.29 : 440,638.14 = 176,076.37 : x
  2. Step 2: Convert to fraction form
    319,310.29/440,638.14 = 176,076.37/x
  3. Step 3: Cross multiply
    319,310.29x = 440,638.14 × 176,076.37
  4. Step 4: Simplify right side
    319,310.29x = 77,585,964,174.75
  5. Step 5: Solve for x
    x = 77,585,964,174.75/319,310.29
  6. Step 6: Final answer
    x = 242,979.84

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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.