Home / 110,677.74-166,129.61-81,007.44

Finding the Fourth Proportional to 110,677.74, 166,129.61 and 81,007.44

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Solution

The fourth proportional to 110,677.74, 166,129.61 and 81,007.44 is: 121,593.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,677.74 : 166,129.61 = 81,007.44 : x
  2. Step 2: Convert to fraction form
    110,677.74/166,129.61 = 81,007.44/x
  3. Step 3: Cross multiply
    110,677.74x = 166,129.61 × 81,007.44
  4. Step 4: Simplify right side
    110,677.74x = 13,457,734,009.26
  5. Step 5: Solve for x
    x = 13,457,734,009.26/110,677.74
  6. Step 6: Final answer
    x = 121,593.86

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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.