Home / 127,680.76-191,552.16-38,935.84

Finding the Fourth Proportional to 127,680.76, 191,552.16 and 38,935.84

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Solution

The fourth proportional to 127,680.76, 191,552.16 and 38,935.84 is: 58,413.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,680.76 : 191,552.16 = 38,935.84 : x
  2. Step 2: Convert to fraction form
    127,680.76/191,552.16 = 38,935.84/x
  3. Step 3: Cross multiply
    127,680.76x = 191,552.16 × 38,935.84
  4. Step 4: Simplify right side
    127,680.76x = 7,458,244,253.41
  5. Step 5: Solve for x
    x = 7,458,244,253.41/127,680.76
  6. Step 6: Final answer
    x = 58,413.22

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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.