Home / 360,100.08-496,932.04-198,961.84

Finding the Fourth Proportional to 360,100.08, 496,932.04 and 198,961.84

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Solution

The fourth proportional to 360,100.08, 496,932.04 and 198,961.84 is: 274,563.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,100.08 : 496,932.04 = 198,961.84 : x
  2. Step 2: Convert to fraction form
    360,100.08/496,932.04 = 198,961.84/x
  3. Step 3: Cross multiply
    360,100.08x = 496,932.04 × 198,961.84
  4. Step 4: Simplify right side
    360,100.08x = 98,870,513,033.35
  5. Step 5: Solve for x
    x = 98,870,513,033.35/360,100.08
  6. Step 6: Final answer
    x = 274,563.99

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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.