Home / 281,962.49-422,839.63-122,061.74

Finding the Fourth Proportional to 281,962.49, 422,839.63 and 122,061.74

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Solution

The fourth proportional to 281,962.49, 422,839.63 and 122,061.74 is: 183,047.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,962.49 : 422,839.63 = 122,061.74 : x
  2. Step 2: Convert to fraction form
    281,962.49/422,839.63 = 122,061.74/x
  3. Step 3: Cross multiply
    281,962.49x = 422,839.63 × 122,061.74
  4. Step 4: Simplify right side
    281,962.49x = 51,612,540,978.76
  5. Step 5: Solve for x
    x = 51,612,540,978.76/281,962.49
  6. Step 6: Final answer
    x = 183,047.54

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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.