Home / 133,375.28-184,124.72-103,092.16

Finding the Fourth Proportional to 133,375.28, 184,124.72 and 103,092.16

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Solution

The fourth proportional to 133,375.28, 184,124.72 and 103,092.16 is: 142,318.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,375.28 : 184,124.72 = 103,092.16 : x
  2. Step 2: Convert to fraction form
    133,375.28/184,124.72 = 103,092.16/x
  3. Step 3: Cross multiply
    133,375.28x = 184,124.72 × 103,092.16
  4. Step 4: Simplify right side
    133,375.28x = 18,981,815,094.20
  5. Step 5: Solve for x
    x = 18,981,815,094.20/133,375.28
  6. Step 6: Final answer
    x = 142,318.84

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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.