Home / 358,076.16-494,135.52-196,947.68

Finding the Fourth Proportional to 358,076.16, 494,135.52 and 196,947.68

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Solution

The fourth proportional to 358,076.16, 494,135.52 and 196,947.68 is: 271,782.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,076.16 : 494,135.52 = 196,947.68 : x
  2. Step 2: Convert to fraction form
    358,076.16/494,135.52 = 196,947.68/x
  3. Step 3: Cross multiply
    358,076.16x = 494,135.52 × 196,947.68
  4. Step 4: Simplify right side
    358,076.16x = 97,318,844,269.59
  5. Step 5: Solve for x
    x = 97,318,844,269.59/358,076.16
  6. Step 6: Final answer
    x = 271,782.53

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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.