Home / 177,658.53-245,193.78-113,107.14

Finding the Fourth Proportional to 177,658.53, 245,193.78 and 113,107.14

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Solution

The fourth proportional to 177,658.53, 245,193.78 and 113,107.14 is: 156,103.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,658.53 : 245,193.78 = 113,107.14 : x
  2. Step 2: Convert to fraction form
    177,658.53/245,193.78 = 113,107.14/x
  3. Step 3: Cross multiply
    177,658.53x = 245,193.78 × 113,107.14
  4. Step 4: Simplify right side
    177,658.53x = 27,733,167,201.59
  5. Step 5: Solve for x
    x = 27,733,167,201.59/177,658.53
  6. Step 6: Final answer
    x = 156,103.78

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1.5x scale

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.