Home / 359,768.20-496,467.12-198,619.84

Finding the Fourth Proportional to 359,768.20, 496,467.12 and 198,619.84

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Solution

The fourth proportional to 359,768.20, 496,467.12 and 198,619.84 is: 274,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,768.20 : 496,467.12 = 198,619.84 : x
  2. Step 2: Convert to fraction form
    359,768.20/496,467.12 = 198,619.84/x
  3. Step 3: Cross multiply
    359,768.20x = 496,467.12 × 198,619.84
  4. Step 4: Simplify right side
    359,768.20x = 98,608,219,939.66
  5. Step 5: Solve for x
    x = 98,608,219,939.66/359,768.20
  6. Step 6: Final answer
    x = 274,088.20

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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.