Home / 198,047.14-297,065.76-57,806.98

Finding the Fourth Proportional to 198,047.14, 297,065.76 and 57,806.98

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Solution

The fourth proportional to 198,047.14, 297,065.76 and 57,806.98 is: 86,709.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,047.14 : 297,065.76 = 57,806.98 : x
  2. Step 2: Convert to fraction form
    198,047.14/297,065.76 = 57,806.98/x
  3. Step 3: Cross multiply
    198,047.14x = 297,065.76 × 57,806.98
  4. Step 4: Simplify right side
    198,047.14x = 17,172,474,447.00
  5. Step 5: Solve for x
    x = 17,172,474,447.00/198,047.14
  6. Step 6: Final answer
    x = 86,709.03

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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.