Home / 198,529.34-297,849.56-80,283.69

Finding the Fourth Proportional to 198,529.34, 297,849.56 and 80,283.69

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Solution

The fourth proportional to 198,529.34, 297,849.56 and 80,283.69 is: 120,448.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,529.34 : 297,849.56 = 80,283.69 : x
  2. Step 2: Convert to fraction form
    198,529.34/297,849.56 = 80,283.69/x
  3. Step 3: Cross multiply
    198,529.34x = 297,849.56 × 80,283.69
  4. Step 4: Simplify right side
    198,529.34x = 23,912,461,340.26
  5. Step 5: Solve for x
    x = 23,912,461,340.26/198,529.34
  6. Step 6: Final answer
    x = 120,448.00

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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.