Home / 321,766.01-482,538.30-122,143.49

Finding the Fourth Proportional to 321,766.01, 482,538.30 and 122,143.49

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Solution

The fourth proportional to 321,766.01, 482,538.30 and 122,143.49 is: 183,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,766.01 : 482,538.30 = 122,143.49 : x
  2. Step 2: Convert to fraction form
    321,766.01/482,538.30 = 122,143.49/x
  3. Step 3: Cross multiply
    321,766.01x = 482,538.30 × 122,143.49
  4. Step 4: Simplify right side
    321,766.01x = 58,938,909,607.98
  5. Step 5: Solve for x
    x = 58,938,909,607.98/321,766.01
  6. Step 6: Final answer
    x = 183,173.20

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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.