Home / 319,496.05-440,901.66-176,257.27

Finding the Fourth Proportional to 319,496.05, 440,901.66 and 176,257.27

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Solution

The fourth proportional to 319,496.05, 440,901.66 and 176,257.27 is: 243,233.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,496.05 : 440,901.66 = 176,257.27 : x
  2. Step 2: Convert to fraction form
    319,496.05/440,901.66 = 176,257.27/x
  3. Step 3: Cross multiply
    319,496.05x = 440,901.66 × 176,257.27
  4. Step 4: Simplify right side
    319,496.05x = 77,712,122,930.07
  5. Step 5: Solve for x
    x = 77,712,122,930.07/319,496.05
  6. Step 6: Final answer
    x = 243,233.44

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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.