Home / 279,970.14-386,289.51-171,046.44

Finding the Fourth Proportional to 279,970.14, 386,289.51 and 171,046.44

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Solution

The fourth proportional to 279,970.14, 386,289.51 and 171,046.44 is: 236,001.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,970.14 : 386,289.51 = 171,046.44 : x
  2. Step 2: Convert to fraction form
    279,970.14/386,289.51 = 171,046.44/x
  3. Step 3: Cross multiply
    279,970.14x = 386,289.51 × 171,046.44
  4. Step 4: Simplify right side
    279,970.14x = 66,073,445,494.84
  5. Step 5: Solve for x
    x = 66,073,445,494.84/279,970.14
  6. Step 6: Final answer
    x = 236,001.76

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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.