Home / 118,999.42-178,443.75-44,116.54

Finding the Fourth Proportional to 118,999.42, 178,443.75 and 44,116.54

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Solution

The fourth proportional to 118,999.42, 178,443.75 and 44,116.54 is: 66,154.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,999.42 : 178,443.75 = 44,116.54 : x
  2. Step 2: Convert to fraction form
    118,999.42/178,443.75 = 44,116.54/x
  3. Step 3: Cross multiply
    118,999.42x = 178,443.75 × 44,116.54
  4. Step 4: Simplify right side
    118,999.42x = 7,872,320,834.63
  5. Step 5: Solve for x
    x = 7,872,320,834.63/118,999.42
  6. Step 6: Final answer
    x = 66,154.28

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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.