Home / 321,823.40-482,625.74-111,412.13

Finding the Fourth Proportional to 321,823.40, 482,625.74 and 111,412.13

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Solution

The fourth proportional to 321,823.40, 482,625.74 and 111,412.13 is: 167,080.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,823.40 : 482,625.74 = 111,412.13 : x
  2. Step 2: Convert to fraction form
    321,823.40/482,625.74 = 111,412.13/x
  3. Step 3: Cross multiply
    321,823.40x = 482,625.74 × 111,412.13
  4. Step 4: Simplify right side
    321,823.40x = 53,770,359,551.63
  5. Step 5: Solve for x
    x = 53,770,359,551.63/321,823.40
  6. Step 6: Final answer
    x = 167,080.33

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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.