Home / 135,835.43-187,248.02-107,105.54

Finding the Fourth Proportional to 135,835.43, 187,248.02 and 107,105.54

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Solution

The fourth proportional to 135,835.43, 187,248.02 and 107,105.54 is: 147,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,835.43 : 187,248.02 = 107,105.54 : x
  2. Step 2: Convert to fraction form
    135,835.43/187,248.02 = 107,105.54/x
  3. Step 3: Cross multiply
    135,835.43x = 187,248.02 × 107,105.54
  4. Step 4: Simplify right side
    135,835.43x = 20,055,298,824.26
  5. Step 5: Solve for x
    x = 20,055,298,824.26/135,835.43
  6. Step 6: Final answer
    x = 147,644.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.