Home / 370,863.20-556,313.10-193,716.20

Finding the Fourth Proportional to 370,863.20, 556,313.10 and 193,716.20

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Solution

The fourth proportional to 370,863.20, 556,313.10 and 193,716.20 is: 290,583.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,863.20 : 556,313.10 = 193,716.20 : x
  2. Step 2: Convert to fraction form
    370,863.20/556,313.10 = 193,716.20/x
  3. Step 3: Cross multiply
    370,863.20x = 556,313.10 × 193,716.20
  4. Step 4: Simplify right side
    370,863.20x = 107,766,859,742.22
  5. Step 5: Solve for x
    x = 107,766,859,742.22/370,863.20
  6. Step 6: Final answer
    x = 290,583.86

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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.