Home / 198,916.56-274,538.16-127,293.12

Finding the Fourth Proportional to 198,916.56, 274,538.16 and 127,293.12

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Solution

The fourth proportional to 198,916.56, 274,538.16 and 127,293.12 is: 175,685.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,916.56 : 274,538.16 = 127,293.12 : x
  2. Step 2: Convert to fraction form
    198,916.56/274,538.16 = 127,293.12/x
  3. Step 3: Cross multiply
    198,916.56x = 274,538.16 × 127,293.12
  4. Step 4: Simplify right side
    198,916.56x = 34,946,818,945.46
  5. Step 5: Solve for x
    x = 34,946,818,945.46/198,916.56
  6. Step 6: Final answer
    x = 175,685.82

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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.