Home / 325,811.01-449,619.18-198,486.51

Finding the Fourth Proportional to 325,811.01, 449,619.18 and 198,486.51

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Solution

The fourth proportional to 325,811.01, 449,619.18 and 198,486.51 is: 273,911.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,811.01 : 449,619.18 = 198,486.51 : x
  2. Step 2: Convert to fraction form
    325,811.01/449,619.18 = 198,486.51/x
  3. Step 3: Cross multiply
    325,811.01x = 449,619.18 × 198,486.51
  4. Step 4: Simplify right side
    325,811.01x = 89,243,341,867.26
  5. Step 5: Solve for x
    x = 89,243,341,867.26/325,811.01
  6. Step 6: Final answer
    x = 273,911.38

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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.