Home / 324,359.53-486,585.86-99,738.85

Finding the Fourth Proportional to 324,359.53, 486,585.86 and 99,738.85

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Solution

The fourth proportional to 324,359.53, 486,585.86 and 99,738.85 is: 149,622.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,359.53 : 486,585.86 = 99,738.85 : x
  2. Step 2: Convert to fraction form
    324,359.53/486,585.86 = 99,738.85/x
  3. Step 3: Cross multiply
    324,359.53x = 486,585.86 × 99,738.85
  4. Step 4: Simplify right side
    324,359.53x = 48,531,513,603.97
  5. Step 5: Solve for x
    x = 48,531,513,603.97/324,359.53
  6. Step 6: Final answer
    x = 149,622.59

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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.