Home / 198,667.95-297,314.49-122,735.31

Finding the Fourth Proportional to 198,667.95, 297,314.49 and 122,735.31

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Solution

The fourth proportional to 198,667.95, 297,314.49 and 122,735.31 is: 183,678.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,667.95 : 297,314.49 = 122,735.31 : x
  2. Step 2: Convert to fraction form
    198,667.95/297,314.49 = 122,735.31/x
  3. Step 3: Cross multiply
    198,667.95x = 297,314.49 × 122,735.31
  4. Step 4: Simplify right side
    198,667.95x = 36,490,986,097.64
  5. Step 5: Solve for x
    x = 36,490,986,097.64/198,667.95
  6. Step 6: Final answer
    x = 183,678.27

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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.