Home / 114,117.05-171,029.78-82,915.85

Finding the Fourth Proportional to 114,117.05, 171,029.78 and 82,915.85

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Solution

The fourth proportional to 114,117.05, 171,029.78 and 82,915.85 is: 124,267.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,117.05 : 171,029.78 = 82,915.85 : x
  2. Step 2: Convert to fraction form
    114,117.05/171,029.78 = 82,915.85/x
  3. Step 3: Cross multiply
    114,117.05x = 171,029.78 × 82,915.85
  4. Step 4: Simplify right side
    114,117.05x = 14,181,079,169.43
  5. Step 5: Solve for x
    x = 14,181,079,169.43/114,117.05
  6. Step 6: Final answer
    x = 124,267.84

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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.