Home / 321,921.51-482,884.98-122,188.26

Finding the Fourth Proportional to 321,921.51, 482,884.98 and 122,188.26

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Solution

The fourth proportional to 321,921.51, 482,884.98 and 122,188.26 is: 183,283.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,921.51 : 482,884.98 = 122,188.26 : x
  2. Step 2: Convert to fraction form
    321,921.51/482,884.98 = 122,188.26/x
  3. Step 3: Cross multiply
    321,921.51x = 482,884.98 × 122,188.26
  4. Step 4: Simplify right side
    321,921.51x = 59,002,875,486.33
  5. Step 5: Solve for x
    x = 59,002,875,486.33/321,921.51
  6. Step 6: Final answer
    x = 183,283.42

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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.