Home / 274,198.40-411,427.20-116,561.60

Finding the Fourth Proportional to 274,198.40, 411,427.20 and 116,561.60

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Solution

The fourth proportional to 274,198.40, 411,427.20 and 116,561.60 is: 174,897.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,198.40 : 411,427.20 = 116,561.60 : x
  2. Step 2: Convert to fraction form
    274,198.40/411,427.20 = 116,561.60/x
  3. Step 3: Cross multiply
    274,198.40x = 411,427.20 × 116,561.60
  4. Step 4: Simplify right side
    274,198.40x = 47,956,612,715.52
  5. Step 5: Solve for x
    x = 47,956,612,715.52/274,198.40
  6. Step 6: Final answer
    x = 174,897.49

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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.