Home / 131,423.32-197,021.26-111,562.57

Finding the Fourth Proportional to 131,423.32, 197,021.26 and 111,562.57

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Solution

The fourth proportional to 131,423.32, 197,021.26 and 111,562.57 is: 167,247.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,423.32 : 197,021.26 = 111,562.57 : x
  2. Step 2: Convert to fraction form
    131,423.32/197,021.26 = 111,562.57/x
  3. Step 3: Cross multiply
    131,423.32x = 197,021.26 × 111,562.57
  4. Step 4: Simplify right side
    131,423.32x = 21,980,198,110.24
  5. Step 5: Solve for x
    x = 21,980,198,110.24/131,423.32
  6. Step 6: Final answer
    x = 167,247.32

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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.