Home / 203,933.61-281,563.97-127,567.89

Finding the Fourth Proportional to 203,933.61, 281,563.97 and 127,567.89

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Solution

The fourth proportional to 203,933.61, 281,563.97 and 127,567.89 is: 176,128.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,933.61 : 281,563.97 = 127,567.89 : x
  2. Step 2: Convert to fraction form
    203,933.61/281,563.97 = 127,567.89/x
  3. Step 3: Cross multiply
    203,933.61x = 281,563.97 × 127,567.89
  4. Step 4: Simplify right side
    203,933.61x = 35,918,520,915.08
  5. Step 5: Solve for x
    x = 35,918,520,915.08/203,933.61
  6. Step 6: Final answer
    x = 176,128.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.