Home / 331,505.31-457,532.20-195,572.53

Finding the Fourth Proportional to 331,505.31, 457,532.20 and 195,572.53

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Solution

The fourth proportional to 331,505.31, 457,532.20 and 195,572.53 is: 269,922.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,505.31 : 457,532.20 = 195,572.53 : x
  2. Step 2: Convert to fraction form
    331,505.31/457,532.20 = 195,572.53/x
  3. Step 3: Cross multiply
    331,505.31x = 457,532.20 × 195,572.53
  4. Step 4: Simplify right side
    331,505.31x = 89,480,727,053.13
  5. Step 5: Solve for x
    x = 89,480,727,053.13/331,505.31
  6. Step 6: Final answer
    x = 269,922.46

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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.