Home / 118,764.36-178,162.94-39,901.14

Finding the Fourth Proportional to 118,764.36, 178,162.94 and 39,901.14

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Solution

The fourth proportional to 118,764.36, 178,162.94 and 39,901.14 is: 59,857.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,764.36 : 178,162.94 = 39,901.14 : x
  2. Step 2: Convert to fraction form
    118,764.36/178,162.94 = 39,901.14/x
  3. Step 3: Cross multiply
    118,764.36x = 178,162.94 × 39,901.14
  4. Step 4: Simplify right side
    118,764.36x = 7,108,903,321.43
  5. Step 5: Solve for x
    x = 7,108,903,321.43/118,764.36
  6. Step 6: Final answer
    x = 59,857.21

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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.