Home / 127,190.24-190,789.42-63,975.84

Finding the Fourth Proportional to 127,190.24, 190,789.42 and 63,975.84

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Solution

The fourth proportional to 127,190.24, 190,789.42 and 63,975.84 is: 95,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,190.24 : 190,789.42 = 63,975.84 : x
  2. Step 2: Convert to fraction form
    127,190.24/190,789.42 = 63,975.84/x
  3. Step 3: Cross multiply
    127,190.24x = 190,789.42 × 63,975.84
  4. Step 4: Simplify right side
    127,190.24x = 12,205,913,407.61
  5. Step 5: Solve for x
    x = 12,205,913,407.61/127,190.24
  6. Step 6: Final answer
    x = 95,965.80

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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.