Home / 115,864.90-173,635.35-92,212.90

Finding the Fourth Proportional to 115,864.90, 173,635.35 and 92,212.90

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Solution

The fourth proportional to 115,864.90, 173,635.35 and 92,212.90 is: 138,190.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,864.90 : 173,635.35 = 92,212.90 : x
  2. Step 2: Convert to fraction form
    115,864.90/173,635.35 = 92,212.90/x
  3. Step 3: Cross multiply
    115,864.90x = 173,635.35 × 92,212.90
  4. Step 4: Simplify right side
    115,864.90x = 16,011,419,166.02
  5. Step 5: Solve for x
    x = 16,011,419,166.02/115,864.90
  6. Step 6: Final answer
    x = 138,190.42

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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.