Home / 135,834.13-203,795.47-68,331.32

Finding the Fourth Proportional to 135,834.13, 203,795.47 and 68,331.32

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Solution

The fourth proportional to 135,834.13, 203,795.47 and 68,331.32 is: 102,519.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,834.13 : 203,795.47 = 68,331.32 : x
  2. Step 2: Convert to fraction form
    135,834.13/203,795.47 = 68,331.32/x
  3. Step 3: Cross multiply
    135,834.13x = 203,795.47 × 68,331.32
  4. Step 4: Simplify right side
    135,834.13x = 13,925,613,813.78
  5. Step 5: Solve for x
    x = 13,925,613,813.78/135,834.13
  6. Step 6: Final answer
    x = 102,519.26

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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.