Home / 114,205.47-171,343.25-51,078.70

Finding the Fourth Proportional to 114,205.47, 171,343.25 and 51,078.70

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Solution

The fourth proportional to 114,205.47, 171,343.25 and 51,078.70 is: 76,633.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,205.47 : 171,343.25 = 51,078.70 : x
  2. Step 2: Convert to fraction form
    114,205.47/171,343.25 = 51,078.70/x
  3. Step 3: Cross multiply
    114,205.47x = 171,343.25 × 51,078.70
  4. Step 4: Simplify right side
    114,205.47x = 8,751,989,351.67
  5. Step 5: Solve for x
    x = 8,751,989,351.67/114,205.47
  6. Step 6: Final answer
    x = 76,633.71

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1.5x scale

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.