Home / 341,318.47-471,016.20-188,358.07

Finding the Fourth Proportional to 341,318.47, 471,016.20 and 188,358.07

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Solution

The fourth proportional to 341,318.47, 471,016.20 and 188,358.07 is: 259,932.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,318.47 : 471,016.20 = 188,358.07 : x
  2. Step 2: Convert to fraction form
    341,318.47/471,016.20 = 188,358.07/x
  3. Step 3: Cross multiply
    341,318.47x = 471,016.20 × 188,358.07
  4. Step 4: Simplify right side
    341,318.47x = 88,719,702,370.73
  5. Step 5: Solve for x
    x = 88,719,702,370.73/341,318.47
  6. Step 6: Final answer
    x = 259,932.32

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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.