Home / 131,146.92-196,917.23-75,050.37

Finding the Fourth Proportional to 131,146.92, 196,917.23 and 75,050.37

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Solution

The fourth proportional to 131,146.92, 196,917.23 and 75,050.37 is: 112,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,146.92 : 196,917.23 = 75,050.37 : x
  2. Step 2: Convert to fraction form
    131,146.92/196,917.23 = 75,050.37/x
  3. Step 3: Cross multiply
    131,146.92x = 196,917.23 × 75,050.37
  4. Step 4: Simplify right side
    131,146.92x = 14,778,710,595.62
  5. Step 5: Solve for x
    x = 14,778,710,595.62/131,146.92
  6. Step 6: Final answer
    x = 112,688.20

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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.