Home / 127,028.50-175,286.73-73,330.84

Finding the Fourth Proportional to 127,028.50, 175,286.73 and 73,330.84

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Solution

The fourth proportional to 127,028.50, 175,286.73 and 73,330.84 is: 101,189.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,028.50 : 175,286.73 = 73,330.84 : x
  2. Step 2: Convert to fraction form
    127,028.50/175,286.73 = 73,330.84/x
  3. Step 3: Cross multiply
    127,028.50x = 175,286.73 × 73,330.84
  4. Step 4: Simplify right side
    127,028.50x = 12,853,923,151.75
  5. Step 5: Solve for x
    x = 12,853,923,151.75/127,028.50
  6. Step 6: Final answer
    x = 101,189.29

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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.