Home / 332,740.28-459,403.31-196,817.90

Finding the Fourth Proportional to 332,740.28, 459,403.31 and 196,817.90

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Solution

The fourth proportional to 332,740.28, 459,403.31 and 196,817.90 is: 271,739.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,740.28 : 459,403.31 = 196,817.90 : x
  2. Step 2: Convert to fraction form
    332,740.28/459,403.31 = 196,817.90/x
  3. Step 3: Cross multiply
    332,740.28x = 459,403.31 × 196,817.90
  4. Step 4: Simplify right side
    332,740.28x = 90,418,792,922.28
  5. Step 5: Solve for x
    x = 90,418,792,922.28/332,740.28
  6. Step 6: Final answer
    x = 271,739.85

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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.