Home / 118,714.14-178,076.73-66,083.94

Finding the Fourth Proportional to 118,714.14, 178,076.73 and 66,083.94

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Solution

The fourth proportional to 118,714.14, 178,076.73 and 66,083.94 is: 99,128.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,714.14 : 178,076.73 = 66,083.94 : x
  2. Step 2: Convert to fraction form
    118,714.14/178,076.73 = 66,083.94/x
  3. Step 3: Cross multiply
    118,714.14x = 178,076.73 × 66,083.94
  4. Step 4: Simplify right side
    118,714.14x = 11,768,011,940.72
  5. Step 5: Solve for x
    x = 11,768,011,940.72/118,714.14
  6. Step 6: Final answer
    x = 99,128.98

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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.