Home / 225,564.04-338,346.52-92,420.39

Finding the Fourth Proportional to 225,564.04, 338,346.52 and 92,420.39

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Solution

The fourth proportional to 225,564.04, 338,346.52 and 92,420.39 is: 138,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,564.04 : 338,346.52 = 92,420.39 : x
  2. Step 2: Convert to fraction form
    225,564.04/338,346.52 = 92,420.39/x
  3. Step 3: Cross multiply
    225,564.04x = 338,346.52 × 92,420.39
  4. Step 4: Simplify right side
    225,564.04x = 31,270,117,948.36
  5. Step 5: Solve for x
    x = 31,270,117,948.36/225,564.04
  6. Step 6: Final answer
    x = 138,630.78

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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.