Home / 127,865.86-191,743.21-36,661.18

Finding the Fourth Proportional to 127,865.86, 191,743.21 and 36,661.18

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Solution

The fourth proportional to 127,865.86, 191,743.21 and 36,661.18 is: 54,975.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,865.86 : 191,743.21 = 36,661.18 : x
  2. Step 2: Convert to fraction form
    127,865.86/191,743.21 = 36,661.18/x
  3. Step 3: Cross multiply
    127,865.86x = 191,743.21 × 36,661.18
  4. Step 4: Simplify right side
    127,865.86x = 7,029,531,619.19
  5. Step 5: Solve for x
    x = 7,029,531,619.19/127,865.86
  6. Step 6: Final answer
    x = 54,975.83

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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.