Home / 135,553.32-203,336.46-65,491.56

Finding the Fourth Proportional to 135,553.32, 203,336.46 and 65,491.56

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Solution

The fourth proportional to 135,553.32, 203,336.46 and 65,491.56 is: 98,240.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,553.32 : 203,336.46 = 65,491.56 : x
  2. Step 2: Convert to fraction form
    135,553.32/203,336.46 = 65,491.56/x
  3. Step 3: Cross multiply
    135,553.32x = 203,336.46 × 65,491.56
  4. Step 4: Simplify right side
    135,553.32x = 13,316,821,970.28
  5. Step 5: Solve for x
    x = 13,316,821,970.28/135,553.32
  6. Step 6: Final answer
    x = 98,240.47

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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.