Home / 219,924.14-329,913.38-77,740.10

Finding the Fourth Proportional to 219,924.14, 329,913.38 and 77,740.10

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Solution

The fourth proportional to 219,924.14, 329,913.38 and 77,740.10 is: 116,619.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,924.14 : 329,913.38 = 77,740.10 : x
  2. Step 2: Convert to fraction form
    219,924.14/329,913.38 = 77,740.10/x
  3. Step 3: Cross multiply
    219,924.14x = 329,913.38 × 77,740.10
  4. Step 4: Simplify right side
    219,924.14x = 25,647,497,114.27
  5. Step 5: Solve for x
    x = 25,647,497,114.27/219,924.14
  6. Step 6: Final answer
    x = 116,619.75

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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.