Home / 118,996.40-178,385.22-51,486.26

Finding the Fourth Proportional to 118,996.40, 178,385.22 and 51,486.26

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Solution

The fourth proportional to 118,996.40, 178,385.22 and 51,486.26 is: 77,182.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,996.40 : 178,385.22 = 51,486.26 : x
  2. Step 2: Convert to fraction form
    118,996.40/178,385.22 = 51,486.26/x
  3. Step 3: Cross multiply
    118,996.40x = 178,385.22 × 51,486.26
  4. Step 4: Simplify right side
    118,996.40x = 9,184,387,817.08
  5. Step 5: Solve for x
    x = 9,184,387,817.08/118,996.40
  6. Step 6: Final answer
    x = 77,182.06

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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.