Home / 194,244.24-291,159-138,671.76

Finding the Fourth Proportional to 194,244.24, 291,159 and 138,671.76

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Solution

The fourth proportional to 194,244.24, 291,159 and 138,671.76 is: 207,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,244.24 : 291,159 = 138,671.76 : x
  2. Step 2: Convert to fraction form
    194,244.24/291,159 = 138,671.76/x
  3. Step 3: Cross multiply
    194,244.24x = 291,159 × 138,671.76
  4. Step 4: Simplify right side
    194,244.24x = 40,375,530,969.84
  5. Step 5: Solve for x
    x = 40,375,530,969.84/194,244.24
  6. Step 6: Final answer
    x = 207,859.60

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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.