Home / 127,942.06-176,591.70-87,173.62

Finding the Fourth Proportional to 127,942.06, 176,591.70 and 87,173.62

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Solution

The fourth proportional to 127,942.06, 176,591.70 and 87,173.62 is: 120,321.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,942.06 : 176,591.70 = 87,173.62 : x
  2. Step 2: Convert to fraction form
    127,942.06/176,591.70 = 87,173.62/x
  3. Step 3: Cross multiply
    127,942.06x = 176,591.70 × 87,173.62
  4. Step 4: Simplify right side
    127,942.06x = 15,394,137,750.95
  5. Step 5: Solve for x
    x = 15,394,137,750.95/127,942.06
  6. Step 6: Final answer
    x = 120,321.17

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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.