Home / 141,553.64-212,359.62-118,342.28

Finding the Fourth Proportional to 141,553.64, 212,359.62 and 118,342.28

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Solution

The fourth proportional to 141,553.64, 212,359.62 and 118,342.28 is: 177,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,553.64 : 212,359.62 = 118,342.28 : x
  2. Step 2: Convert to fraction form
    141,553.64/212,359.62 = 118,342.28/x
  3. Step 3: Cross multiply
    141,553.64x = 212,359.62 × 118,342.28
  4. Step 4: Simplify right side
    141,553.64x = 25,131,121,610.73
  5. Step 5: Solve for x
    x = 25,131,121,610.73/141,553.64
  6. Step 6: Final answer
    x = 177,537.80

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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.