Home / 225,929.73-338,658.15-76,118.28

Finding the Fourth Proportional to 225,929.73, 338,658.15 and 76,118.28

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Solution

The fourth proportional to 225,929.73, 338,658.15 and 76,118.28 is: 114,097.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,929.73 : 338,658.15 = 76,118.28 : x
  2. Step 2: Convert to fraction form
    225,929.73/338,658.15 = 76,118.28/x
  3. Step 3: Cross multiply
    225,929.73x = 338,658.15 × 76,118.28
  4. Step 4: Simplify right side
    225,929.73x = 25,778,075,885.98
  5. Step 5: Solve for x
    x = 25,778,075,885.98/225,929.73
  6. Step 6: Final answer
    x = 114,097.76

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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.