Home / 192,400.84-288,606.30-91,175.14

Finding the Fourth Proportional to 192,400.84, 288,606.30 and 91,175.14

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Solution

The fourth proportional to 192,400.84, 288,606.30 and 91,175.14 is: 136,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,400.84 : 288,606.30 = 91,175.14 : x
  2. Step 2: Convert to fraction form
    192,400.84/288,606.30 = 91,175.14/x
  3. Step 3: Cross multiply
    192,400.84x = 288,606.30 × 91,175.14
  4. Step 4: Simplify right side
    192,400.84x = 26,313,719,807.38
  5. Step 5: Solve for x
    x = 26,313,719,807.38/192,400.84
  6. Step 6: Final answer
    x = 136,765.10

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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.