Home / 113,186.71-169,816.83-54,014.68

Finding the Fourth Proportional to 113,186.71, 169,816.83 and 54,014.68

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Solution

The fourth proportional to 113,186.71, 169,816.83 and 54,014.68 is: 81,039.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,186.71 : 169,816.83 = 54,014.68 : x
  2. Step 2: Convert to fraction form
    113,186.71/169,816.83 = 54,014.68/x
  3. Step 3: Cross multiply
    113,186.71x = 169,816.83 × 54,014.68
  4. Step 4: Simplify right side
    113,186.71x = 9,172,601,731.06
  5. Step 5: Solve for x
    x = 9,172,601,731.06/113,186.71
  6. Step 6: Final answer
    x = 81,039.56

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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.