Home / 360,054.20-496,865.21-198,883.24

Finding the Fourth Proportional to 360,054.20, 496,865.21 and 198,883.24

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Solution

The fourth proportional to 360,054.20, 496,865.21 and 198,883.24 is: 274,453.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,054.20 : 496,865.21 = 198,883.24 : x
  2. Step 2: Convert to fraction form
    360,054.20/496,865.21 = 198,883.24/x
  3. Step 3: Cross multiply
    360,054.20x = 496,865.21 × 198,883.24
  4. Step 4: Simplify right side
    360,054.20x = 98,818,160,571.50
  5. Step 5: Solve for x
    x = 98,818,160,571.50/360,054.20
  6. Step 6: Final answer
    x = 274,453.57

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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.