Home / 251,589.06-377,383.65-172,463.40

Finding the Fourth Proportional to 251,589.06, 377,383.65 and 172,463.40

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Solution

The fourth proportional to 251,589.06, 377,383.65 and 172,463.40 is: 258,695.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,589.06 : 377,383.65 = 172,463.40 : x
  2. Step 2: Convert to fraction form
    251,589.06/377,383.65 = 172,463.40/x
  3. Step 3: Cross multiply
    251,589.06x = 377,383.65 × 172,463.40
  4. Step 4: Simplify right side
    251,589.06x = 65,084,867,383.41
  5. Step 5: Solve for x
    x = 65,084,867,383.41/251,589.06
  6. Step 6: Final answer
    x = 258,695.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.