Home / 141,304.97-212,137.31-91,593.09

Finding the Fourth Proportional to 141,304.97, 212,137.31 and 91,593.09

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Solution

The fourth proportional to 141,304.97, 212,137.31 and 91,593.09 is: 137,506.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,304.97 : 212,137.31 = 91,593.09 : x
  2. Step 2: Convert to fraction form
    141,304.97/212,137.31 = 91,593.09/x
  3. Step 3: Cross multiply
    141,304.97x = 212,137.31 × 91,593.09
  4. Step 4: Simplify right side
    141,304.97x = 19,430,311,727.19
  5. Step 5: Solve for x
    x = 19,430,311,727.19/141,304.97
  6. Step 6: Final answer
    x = 137,506.22

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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.