Home / 331,513.40-457,543.52-195,580.75

Finding the Fourth Proportional to 331,513.40, 457,543.52 and 195,580.75

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Solution

The fourth proportional to 331,513.40, 457,543.52 and 195,580.75 is: 269,933.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,513.40 : 457,543.52 = 195,580.75 : x
  2. Step 2: Convert to fraction form
    331,513.40/457,543.52 = 195,580.75/x
  3. Step 3: Cross multiply
    331,513.40x = 457,543.52 × 195,580.75
  4. Step 4: Simplify right side
    331,513.40x = 89,486,706,380.75
  5. Step 5: Solve for x
    x = 89,486,706,380.75/331,513.40
  6. Step 6: Final answer
    x = 269,933.91

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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.