Home / 198,538.08-274,046.40-127,110.48

Finding the Fourth Proportional to 198,538.08, 274,046.40 and 127,110.48

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Solution

The fourth proportional to 198,538.08, 274,046.40 and 127,110.48 is: 175,453.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,538.08 : 274,046.40 = 127,110.48 : x
  2. Step 2: Convert to fraction form
    198,538.08/274,046.40 = 127,110.48/x
  3. Step 3: Cross multiply
    198,538.08x = 274,046.40 × 127,110.48
  4. Step 4: Simplify right side
    198,538.08x = 34,834,169,446.27
  5. Step 5: Solve for x
    x = 34,834,169,446.27/198,538.08
  6. Step 6: Final answer
    x = 175,453.34

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1.5x scale

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.