Home / 135,916.76-203,785.14-64,850.36

Finding the Fourth Proportional to 135,916.76, 203,785.14 and 64,850.36

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Solution

The fourth proportional to 135,916.76, 203,785.14 and 64,850.36 is: 97,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,916.76 : 203,785.14 = 64,850.36 : x
  2. Step 2: Convert to fraction form
    135,916.76/203,785.14 = 64,850.36/x
  3. Step 3: Cross multiply
    135,916.76x = 203,785.14 × 64,850.36
  4. Step 4: Simplify right side
    135,916.76x = 13,215,539,691.65
  5. Step 5: Solve for x
    x = 13,215,539,691.65/135,916.76
  6. Step 6: Final answer
    x = 97,232.60

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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.