Home / 225,664.60-338,918.51-198,656.52

Finding the Fourth Proportional to 225,664.60, 338,918.51 and 198,656.52

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Solution

The fourth proportional to 225,664.60, 338,918.51 and 198,656.52 is: 298,355.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,664.60 : 338,918.51 = 198,656.52 : x
  2. Step 2: Convert to fraction form
    225,664.60/338,918.51 = 198,656.52/x
  3. Step 3: Cross multiply
    225,664.60x = 338,918.51 × 198,656.52
  4. Step 4: Simplify right side
    225,664.60x = 67,328,370,985.88
  5. Step 5: Solve for x
    x = 67,328,370,985.88/225,664.60
  6. Step 6: Final answer
    x = 298,355.93

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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.