Home / 131,400.08-197,247.54-52,569.26

Finding the Fourth Proportional to 131,400.08, 197,247.54 and 52,569.26

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Solution

The fourth proportional to 131,400.08, 197,247.54 and 52,569.26 is: 78,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,400.08 : 197,247.54 = 52,569.26 : x
  2. Step 2: Convert to fraction form
    131,400.08/197,247.54 = 52,569.26/x
  3. Step 3: Cross multiply
    131,400.08x = 197,247.54 × 52,569.26
  4. Step 4: Simplify right side
    131,400.08x = 10,369,157,214.62
  5. Step 5: Solve for x
    x = 10,369,157,214.62/131,400.08
  6. Step 6: Final answer
    x = 78,912.87

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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.