Home / 306,932.04-423,625.05-172,796.04

Finding the Fourth Proportional to 306,932.04, 423,625.05 and 172,796.04

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Solution

The fourth proportional to 306,932.04, 423,625.05 and 172,796.04 is: 238,491.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,932.04 : 423,625.05 = 172,796.04 : x
  2. Step 2: Convert to fraction form
    306,932.04/423,625.05 = 172,796.04/x
  3. Step 3: Cross multiply
    306,932.04x = 423,625.05 × 172,796.04
  4. Step 4: Simplify right side
    306,932.04x = 73,200,731,084.80
  5. Step 5: Solve for x
    x = 73,200,731,084.80/306,932.04
  6. Step 6: Final answer
    x = 238,491.66

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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.