Home / 214,727.74-321,959.32-72,559.58

Finding the Fourth Proportional to 214,727.74, 321,959.32 and 72,559.58

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Solution

The fourth proportional to 214,727.74, 321,959.32 and 72,559.58 is: 108,794.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,727.74 : 321,959.32 = 72,559.58 : x
  2. Step 2: Convert to fraction form
    214,727.74/321,959.32 = 72,559.58/x
  3. Step 3: Cross multiply
    214,727.74x = 321,959.32 × 72,559.58
  4. Step 4: Simplify right side
    214,727.74x = 23,361,233,036.29
  5. Step 5: Solve for x
    x = 23,361,233,036.29/214,727.74
  6. Step 6: Final answer
    x = 108,794.67

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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.