Home / 118,845.88-178,287.06-38,858.68

Finding the Fourth Proportional to 118,845.88, 178,287.06 and 38,858.68

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Solution

The fourth proportional to 118,845.88, 178,287.06 and 38,858.68 is: 58,293.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,845.88 : 178,287.06 = 38,858.68 : x
  2. Step 2: Convert to fraction form
    118,845.88/178,287.06 = 38,858.68/x
  3. Step 3: Cross multiply
    118,845.88x = 178,287.06 × 38,858.68
  4. Step 4: Simplify right side
    118,845.88x = 6,927,999,812.68
  5. Step 5: Solve for x
    x = 6,927,999,812.68/118,845.88
  6. Step 6: Final answer
    x = 58,293.98

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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.