Home / 199,811.80-275,757.78-114,956.20

Finding the Fourth Proportional to 199,811.80, 275,757.78 and 114,956.20

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Solution

The fourth proportional to 199,811.80, 275,757.78 and 114,956.20 is: 158,649.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,811.80 : 275,757.78 = 114,956.20 : x
  2. Step 2: Convert to fraction form
    199,811.80/275,757.78 = 114,956.20/x
  3. Step 3: Cross multiply
    199,811.80x = 275,757.78 × 114,956.20
  4. Step 4: Simplify right side
    199,811.80x = 31,700,066,509.24
  5. Step 5: Solve for x
    x = 31,700,066,509.24/199,811.80
  6. Step 6: Final answer
    x = 158,649.62

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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.