Home / 131,189.07-196,879.19-52,325.85

Finding the Fourth Proportional to 131,189.07, 196,879.19 and 52,325.85

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Solution

The fourth proportional to 131,189.07, 196,879.19 and 52,325.85 is: 78,526.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,189.07 : 196,879.19 = 52,325.85 : x
  2. Step 2: Convert to fraction form
    131,189.07/196,879.19 = 52,325.85/x
  3. Step 3: Cross multiply
    131,189.07x = 196,879.19 × 52,325.85
  4. Step 4: Simplify right side
    131,189.07x = 10,301,870,702.43
  5. Step 5: Solve for x
    x = 10,301,870,702.43/131,189.07
  6. Step 6: Final answer
    x = 78,526.90

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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.