Home / 163,722.07-245,583.17-73,659.61

Finding the Fourth Proportional to 163,722.07, 245,583.17 and 73,659.61

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Solution

The fourth proportional to 163,722.07, 245,583.17 and 73,659.61 is: 110,489.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,722.07 : 245,583.17 = 73,659.61 : x
  2. Step 2: Convert to fraction form
    163,722.07/245,583.17 = 73,659.61/x
  3. Step 3: Cross multiply
    163,722.07x = 245,583.17 × 73,659.61
  4. Step 4: Simplify right side
    163,722.07x = 18,089,560,524.76
  5. Step 5: Solve for x
    x = 18,089,560,524.76/163,722.07
  6. Step 6: Final answer
    x = 110,489.44

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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.