Home / 354,540.19-531,966.37-186,019.88

Finding the Fourth Proportional to 354,540.19, 531,966.37 and 186,019.88

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Solution

The fourth proportional to 354,540.19, 531,966.37 and 186,019.88 is: 279,111.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,540.19 : 531,966.37 = 186,019.88 : x
  2. Step 2: Convert to fraction form
    354,540.19/531,966.37 = 186,019.88/x
  3. Step 3: Cross multiply
    354,540.19x = 531,966.37 × 186,019.88
  4. Step 4: Simplify right side
    354,540.19x = 98,956,320,311.44
  5. Step 5: Solve for x
    x = 98,956,320,311.44/354,540.19
  6. Step 6: Final answer
    x = 279,111.71

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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.