Home / 331,867.47-458,016.45-188,649.03

Finding the Fourth Proportional to 331,867.47, 458,016.45 and 188,649.03

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Solution

The fourth proportional to 331,867.47, 458,016.45 and 188,649.03 is: 260,358.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,867.47 : 458,016.45 = 188,649.03 : x
  2. Step 2: Convert to fraction form
    331,867.47/458,016.45 = 188,649.03/x
  3. Step 3: Cross multiply
    331,867.47x = 458,016.45 × 188,649.03
  4. Step 4: Simplify right side
    331,867.47x = 86,404,359,016.54
  5. Step 5: Solve for x
    x = 86,404,359,016.54/331,867.47
  6. Step 6: Final answer
    x = 260,358.02

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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.