Home / 127,057.06-176,141.83-120,315.97

Finding the Fourth Proportional to 127,057.06, 176,141.83 and 120,315.97

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Solution

The fourth proportional to 127,057.06, 176,141.83 and 120,315.97 is: 166,796.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,057.06 : 176,141.83 = 120,315.97 : x
  2. Step 2: Convert to fraction form
    127,057.06/176,141.83 = 120,315.97/x
  3. Step 3: Cross multiply
    127,057.06x = 176,141.83 × 120,315.97
  4. Step 4: Simplify right side
    127,057.06x = 21,192,675,134.03
  5. Step 5: Solve for x
    x = 21,192,675,134.03/127,057.06
  6. Step 6: Final answer
    x = 166,796.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.