Home / 321,961.11-482,941.25-122,281.12

Finding the Fourth Proportional to 321,961.11, 482,941.25 and 122,281.12

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Solution

The fourth proportional to 321,961.11, 482,941.25 and 122,281.12 is: 183,421.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,961.11 : 482,941.25 = 122,281.12 : x
  2. Step 2: Convert to fraction form
    321,961.11/482,941.25 = 122,281.12/x
  3. Step 3: Cross multiply
    321,961.11x = 482,941.25 × 122,281.12
  4. Step 4: Simplify right side
    321,961.11x = 59,054,596,944.20
  5. Step 5: Solve for x
    x = 59,054,596,944.20/321,961.11
  6. Step 6: Final answer
    x = 183,421.52

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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.