Home / 110,134.97-151,983.31-64,815.63

Finding the Fourth Proportional to 110,134.97, 151,983.31 and 64,815.63

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Solution

The fourth proportional to 110,134.97, 151,983.31 and 64,815.63 is: 89,443.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,134.97 : 151,983.31 = 64,815.63 : x
  2. Step 2: Convert to fraction form
    110,134.97/151,983.31 = 64,815.63/x
  3. Step 3: Cross multiply
    110,134.97x = 151,983.31 × 64,815.63
  4. Step 4: Simplify right side
    110,134.97x = 9,850,893,558.98
  5. Step 5: Solve for x
    x = 9,850,893,558.98/110,134.97
  6. Step 6: Final answer
    x = 89,443.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.