Home / 135,640.02-203,485.54-54,593.24

Finding the Fourth Proportional to 135,640.02, 203,485.54 and 54,593.24

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Solution

The fourth proportional to 135,640.02, 203,485.54 and 54,593.24 is: 81,900.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,640.02 : 203,485.54 = 54,593.24 : x
  2. Step 2: Convert to fraction form
    135,640.02/203,485.54 = 54,593.24/x
  3. Step 3: Cross multiply
    135,640.02x = 203,485.54 × 54,593.24
  4. Step 4: Simplify right side
    135,640.02x = 11,108,934,921.75
  5. Step 5: Solve for x
    x = 11,108,934,921.75/135,640.02
  6. Step 6: Final answer
    x = 81,900.13

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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.