Home / 334,530.12-461,441.60-198,467.76

Finding the Fourth Proportional to 334,530.12, 461,441.60 and 198,467.76

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Solution

The fourth proportional to 334,530.12, 461,441.60 and 198,467.76 is: 273,760.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,530.12 : 461,441.60 = 198,467.76 : x
  2. Step 2: Convert to fraction form
    334,530.12/461,441.60 = 198,467.76/x
  3. Step 3: Cross multiply
    334,530.12x = 461,441.60 × 198,467.76
  4. Step 4: Simplify right side
    334,530.12x = 91,581,280,722.82
  5. Step 5: Solve for x
    x = 91,581,280,722.82/334,530.12
  6. Step 6: Final answer
    x = 273,760.94

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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.