Home / 316,443.37-436,691.11-173,202.16

Finding the Fourth Proportional to 316,443.37, 436,691.11 and 173,202.16

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Solution

The fourth proportional to 316,443.37, 436,691.11 and 173,202.16 is: 239,018.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,443.37 : 436,691.11 = 173,202.16 : x
  2. Step 2: Convert to fraction form
    316,443.37/436,691.11 = 173,202.16/x
  3. Step 3: Cross multiply
    316,443.37x = 436,691.11 × 173,202.16
  4. Step 4: Simplify right side
    316,443.37x = 75,635,841,321.34
  5. Step 5: Solve for x
    x = 75,635,841,321.34/316,443.37
  6. Step 6: Final answer
    x = 239,018.57

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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.