Home / 127,368.24-190,761-60,855.12

Finding the Fourth Proportional to 127,368.24, 190,761 and 60,855.12

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Solution

The fourth proportional to 127,368.24, 190,761 and 60,855.12 is: 91,143.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,368.24 : 190,761 = 60,855.12 : x
  2. Step 2: Convert to fraction form
    127,368.24/190,761 = 60,855.12/x
  3. Step 3: Cross multiply
    127,368.24x = 190,761 × 60,855.12
  4. Step 4: Simplify right side
    127,368.24x = 11,608,783,546.32
  5. Step 5: Solve for x
    x = 11,608,783,546.32/127,368.24
  6. Step 6: Final answer
    x = 91,143.47

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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.