Home / 360,107.03-496,934.30-198,958.64

Finding the Fourth Proportional to 360,107.03, 496,934.30 and 198,958.64

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Solution

The fourth proportional to 360,107.03, 496,934.30 and 198,958.64 is: 274,555.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,107.03 : 496,934.30 = 198,958.64 : x
  2. Step 2: Convert to fraction form
    360,107.03/496,934.30 = 198,958.64/x
  3. Step 3: Cross multiply
    360,107.03x = 496,934.30 × 198,958.64
  4. Step 4: Simplify right side
    360,107.03x = 98,869,370,510.08
  5. Step 5: Solve for x
    x = 98,869,370,510.08/360,107.03
  6. Step 6: Final answer
    x = 274,555.51

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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.