Home / 135,445.80-203,047.66-64,324.56

Finding the Fourth Proportional to 135,445.80, 203,047.66 and 64,324.56

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Solution

The fourth proportional to 135,445.80, 203,047.66 and 64,324.56 is: 96,429.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,445.80 : 203,047.66 = 64,324.56 : x
  2. Step 2: Convert to fraction form
    135,445.80/203,047.66 = 64,324.56/x
  3. Step 3: Cross multiply
    135,445.80x = 203,047.66 × 64,324.56
  4. Step 4: Simplify right side
    135,445.80x = 13,060,952,230.36
  5. Step 5: Solve for x
    x = 13,060,952,230.36/135,445.80
  6. Step 6: Final answer
    x = 96,429.36

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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.