Home / 146,516.82-219,814.68-75,400.70

Finding the Fourth Proportional to 146,516.82, 219,814.68 and 75,400.70

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Solution

The fourth proportional to 146,516.82, 219,814.68 and 75,400.70 is: 113,121.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,516.82 : 219,814.68 = 75,400.70 : x
  2. Step 2: Convert to fraction form
    146,516.82/219,814.68 = 75,400.70/x
  3. Step 3: Cross multiply
    146,516.82x = 219,814.68 × 75,400.70
  4. Step 4: Simplify right side
    146,516.82x = 16,574,180,733.51
  5. Step 5: Solve for x
    x = 16,574,180,733.51/146,516.82
  6. Step 6: Final answer
    x = 113,121.36

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1.5x scale

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.