Home / 135,812.01-203,722.17-64,742.43

Finding the Fourth Proportional to 135,812.01, 203,722.17 and 64,742.43

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Solution

The fourth proportional to 135,812.01, 203,722.17 and 64,742.43 is: 97,115.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,812.01 : 203,722.17 = 64,742.43 : x
  2. Step 2: Convert to fraction form
    135,812.01/203,722.17 = 64,742.43/x
  3. Step 3: Cross multiply
    135,812.01x = 203,722.17 × 64,742.43
  4. Step 4: Simplify right side
    135,812.01x = 13,189,468,330.67
  5. Step 5: Solve for x
    x = 13,189,468,330.67/135,812.01
  6. Step 6: Final answer
    x = 97,115.63

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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.