Home / 135,012.58-202,530.40-35,172.79

Finding the Fourth Proportional to 135,012.58, 202,530.40 and 35,172.79

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Solution

The fourth proportional to 135,012.58, 202,530.40 and 35,172.79 is: 52,762.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,012.58 : 202,530.40 = 35,172.79 : x
  2. Step 2: Convert to fraction form
    135,012.58/202,530.40 = 35,172.79/x
  3. Step 3: Cross multiply
    135,012.58x = 202,530.40 × 35,172.79
  4. Step 4: Simplify right side
    135,012.58x = 7,123,558,633.56
  5. Step 5: Solve for x
    x = 7,123,558,633.56/135,012.58
  6. Step 6: Final answer
    x = 52,762.19

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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.