Home / 321,964.68-482,947.06-111,602.60

Finding the Fourth Proportional to 321,964.68, 482,947.06 and 111,602.60

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Solution

The fourth proportional to 321,964.68, 482,947.06 and 111,602.60 is: 167,403.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,964.68 : 482,947.06 = 111,602.60 : x
  2. Step 2: Convert to fraction form
    321,964.68/482,947.06 = 111,602.60/x
  3. Step 3: Cross multiply
    321,964.68x = 482,947.06 × 111,602.60
  4. Step 4: Simplify right side
    321,964.68x = 53,898,147,558.36
  5. Step 5: Solve for x
    x = 53,898,147,558.36/321,964.68
  6. Step 6: Final answer
    x = 167,403.91

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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.