Home / 127,309.94-190,997.35-59,828.88

Finding the Fourth Proportional to 127,309.94, 190,997.35 and 59,828.88

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Solution

The fourth proportional to 127,309.94, 190,997.35 and 59,828.88 is: 89,758.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,309.94 : 190,997.35 = 59,828.88 : x
  2. Step 2: Convert to fraction form
    127,309.94/190,997.35 = 59,828.88/x
  3. Step 3: Cross multiply
    127,309.94x = 190,997.35 × 59,828.88
  4. Step 4: Simplify right side
    127,309.94x = 11,427,157,383.90
  5. Step 5: Solve for x
    x = 11,427,157,383.90/127,309.94
  6. Step 6: Final answer
    x = 89,758.56

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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.