Home / 235,906.11-352,148.78-218,345.18

Finding the Fourth Proportional to 235,906.11, 352,148.78 and 218,345.18

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Solution

The fourth proportional to 235,906.11, 352,148.78 and 218,345.18 is: 325,934.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,906.11 : 352,148.78 = 218,345.18 : x
  2. Step 2: Convert to fraction form
    235,906.11/352,148.78 = 218,345.18/x
  3. Step 3: Cross multiply
    235,906.11x = 352,148.78 × 218,345.18
  4. Step 4: Simplify right side
    235,906.11x = 76,889,987,541.00
  5. Step 5: Solve for x
    x = 76,889,987,541.00/235,906.11
  6. Step 6: Final answer
    x = 325,934.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.