Home / 356,213.30-534,336.35-198,322.83

Finding the Fourth Proportional to 356,213.30, 534,336.35 and 198,322.83

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Solution

The fourth proportional to 356,213.30, 534,336.35 and 198,322.83 is: 297,493.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,213.30 : 534,336.35 = 198,322.83 : x
  2. Step 2: Convert to fraction form
    356,213.30/534,336.35 = 198,322.83/x
  3. Step 3: Cross multiply
    356,213.30x = 534,336.35 × 198,322.83
  4. Step 4: Simplify right side
    356,213.30x = 105,971,096,112.26
  5. Step 5: Solve for x
    x = 105,971,096,112.26/356,213.30
  6. Step 6: Final answer
    x = 297,493.38

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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.