Home / 127,111.88-190,593.07-48,231.65

Finding the Fourth Proportional to 127,111.88, 190,593.07 and 48,231.65

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Solution

The fourth proportional to 127,111.88, 190,593.07 and 48,231.65 is: 72,319.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,111.88 : 190,593.07 = 48,231.65 : x
  2. Step 2: Convert to fraction form
    127,111.88/190,593.07 = 48,231.65/x
  3. Step 3: Cross multiply
    127,111.88x = 190,593.07 × 48,231.65
  4. Step 4: Simplify right side
    127,111.88x = 9,192,618,600.57
  5. Step 5: Solve for x
    x = 9,192,618,600.57/127,111.88
  6. Step 6: Final answer
    x = 72,319.11

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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.