Home / 316,058.82-436,177.38-172,817.34

Finding the Fourth Proportional to 316,058.82, 436,177.38 and 172,817.34

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Solution

The fourth proportional to 316,058.82, 436,177.38 and 172,817.34 is: 238,496.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,058.82 : 436,177.38 = 172,817.34 : x
  2. Step 2: Convert to fraction form
    316,058.82/436,177.38 = 172,817.34/x
  3. Step 3: Cross multiply
    316,058.82x = 436,177.38 × 172,817.34
  4. Step 4: Simplify right side
    316,058.82x = 75,379,014,579.77
  5. Step 5: Solve for x
    x = 75,379,014,579.77/316,058.82
  6. Step 6: Final answer
    x = 238,496.79

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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.