Home / 349,742.34-482,633.64-196,789.10

Finding the Fourth Proportional to 349,742.34, 482,633.64 and 196,789.10

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Solution

The fourth proportional to 349,742.34, 482,633.64 and 196,789.10 is: 271,562.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,742.34 : 482,633.64 = 196,789.10 : x
  2. Step 2: Convert to fraction form
    349,742.34/482,633.64 = 196,789.10/x
  3. Step 3: Cross multiply
    349,742.34x = 482,633.64 × 196,789.10
  4. Step 4: Simplify right side
    349,742.34x = 94,977,037,232.16
  5. Step 5: Solve for x
    x = 94,977,037,232.16/349,742.34
  6. Step 6: Final answer
    x = 271,562.88

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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.