Home / 127,071.62-190,608.80-38,325.89

Finding the Fourth Proportional to 127,071.62, 190,608.80 and 38,325.89

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Solution

The fourth proportional to 127,071.62, 190,608.80 and 38,325.89 is: 57,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,071.62 : 190,608.80 = 38,325.89 : x
  2. Step 2: Convert to fraction form
    127,071.62/190,608.80 = 38,325.89/x
  3. Step 3: Cross multiply
    127,071.62x = 190,608.80 × 38,325.89
  4. Step 4: Simplify right side
    127,071.62x = 7,305,252,759.70
  5. Step 5: Solve for x
    x = 7,305,252,759.70/127,071.62
  6. Step 6: Final answer
    x = 57,489.25

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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.