Home / 135,108.96-186,451.10-73,855.24

Finding the Fourth Proportional to 135,108.96, 186,451.10 and 73,855.24

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Solution

The fourth proportional to 135,108.96, 186,451.10 and 73,855.24 is: 101,920.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,108.96 : 186,451.10 = 73,855.24 : x
  2. Step 2: Convert to fraction form
    135,108.96/186,451.10 = 73,855.24/x
  3. Step 3: Cross multiply
    135,108.96x = 186,451.10 × 73,855.24
  4. Step 4: Simplify right side
    135,108.96x = 13,770,390,738.76
  5. Step 5: Solve for x
    x = 13,770,390,738.76/135,108.96
  6. Step 6: Final answer
    x = 101,920.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.