Home / 358,142.62-537,233.09-91,905.43

Finding the Fourth Proportional to 358,142.62, 537,233.09 and 91,905.43

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Solution

The fourth proportional to 358,142.62, 537,233.09 and 91,905.43 is: 137,863.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,142.62 : 537,233.09 = 91,905.43 : x
  2. Step 2: Convert to fraction form
    358,142.62/537,233.09 = 91,905.43/x
  3. Step 3: Cross multiply
    358,142.62x = 537,233.09 × 91,905.43
  4. Step 4: Simplify right side
    358,142.62x = 49,374,638,146.68
  5. Step 5: Solve for x
    x = 49,374,638,146.68/358,142.62
  6. Step 6: Final answer
    x = 137,863.06

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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.