Home / 198,899.52-274,583.03-153,475.53

Finding the Fourth Proportional to 198,899.52, 274,583.03 and 153,475.53

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Solution

The fourth proportional to 198,899.52, 274,583.03 and 153,475.53 is: 211,874.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,899.52 : 274,583.03 = 153,475.53 : x
  2. Step 2: Convert to fraction form
    198,899.52/274,583.03 = 153,475.53/x
  3. Step 3: Cross multiply
    198,899.52x = 274,583.03 × 153,475.53
  4. Step 4: Simplify right side
    198,899.52x = 42,141,775,290.88
  5. Step 5: Solve for x
    x = 42,141,775,290.88/198,899.52
  6. Step 6: Final answer
    x = 211,874.70

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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.