Home / 127,190.05-190,789.14-63,975.65

Finding the Fourth Proportional to 127,190.05, 190,789.14 and 63,975.65

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Solution

The fourth proportional to 127,190.05, 190,789.14 and 63,975.65 is: 95,965.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,190.05 : 190,789.14 = 63,975.65 : x
  2. Step 2: Convert to fraction form
    127,190.05/190,789.14 = 63,975.65/x
  3. Step 3: Cross multiply
    127,190.05x = 190,789.14 × 63,975.65
  4. Step 4: Simplify right side
    127,190.05x = 12,205,859,244.44
  5. Step 5: Solve for x
    x = 12,205,859,244.44/127,190.05
  6. Step 6: Final answer
    x = 95,965.52

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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.