Home / 319,553.30-440,983.22-176,313.33

Finding the Fourth Proportional to 319,553.30, 440,983.22 and 176,313.33

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Solution

The fourth proportional to 319,553.30, 440,983.22 and 176,313.33 is: 243,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,553.30 : 440,983.22 = 176,313.33 : x
  2. Step 2: Convert to fraction form
    319,553.30/440,983.22 = 176,313.33/x
  3. Step 3: Cross multiply
    319,553.30x = 440,983.22 × 176,313.33
  4. Step 4: Simplify right side
    319,553.30x = 77,751,217,787.41
  5. Step 5: Solve for x
    x = 77,751,217,787.41/319,553.30
  6. Step 6: Final answer
    x = 243,312.21

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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.