Home / 321,860.13-482,790.60-111,498.06

Finding the Fourth Proportional to 321,860.13, 482,790.60 and 111,498.06

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Solution

The fourth proportional to 321,860.13, 482,790.60 and 111,498.06 is: 167,247.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,860.13 : 482,790.60 = 111,498.06 : x
  2. Step 2: Convert to fraction form
    321,860.13/482,790.60 = 111,498.06/x
  3. Step 3: Cross multiply
    321,860.13x = 482,790.60 × 111,498.06
  4. Step 4: Simplify right side
    321,860.13x = 53,830,215,286.24
  5. Step 5: Solve for x
    x = 53,830,215,286.24/321,860.13
  6. Step 6: Final answer
    x = 167,247.23

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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.