Home / 131,388.08-197,229.54-52,557.26

Finding the Fourth Proportional to 131,388.08, 197,229.54 and 52,557.26

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Solution

The fourth proportional to 131,388.08, 197,229.54 and 52,557.26 is: 78,894.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,388.08 : 197,229.54 = 52,557.26 : x
  2. Step 2: Convert to fraction form
    131,388.08/197,229.54 = 52,557.26/x
  3. Step 3: Cross multiply
    131,388.08x = 197,229.54 × 52,557.26
  4. Step 4: Simplify right side
    131,388.08x = 10,365,844,213.46
  5. Step 5: Solve for x
    x = 10,365,844,213.46/131,388.08
  6. Step 6: Final answer
    x = 78,894.86

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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.