Home / 331,812.23-457,887.69-195,889.96

Finding the Fourth Proportional to 331,812.23, 457,887.69 and 195,889.96

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Solution

The fourth proportional to 331,812.23, 457,887.69 and 195,889.96 is: 270,320.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,812.23 : 457,887.69 = 195,889.96 : x
  2. Step 2: Convert to fraction form
    331,812.23/457,887.69 = 195,889.96/x
  3. Step 3: Cross multiply
    331,812.23x = 457,887.69 × 195,889.96
  4. Step 4: Simplify right side
    331,812.23x = 89,695,600,299.14
  5. Step 5: Solve for x
    x = 89,695,600,299.14/331,812.23
  6. Step 6: Final answer
    x = 270,320.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.