Home / 198,004.96-297,002.40-57,764.80

Finding the Fourth Proportional to 198,004.96, 297,002.40 and 57,764.80

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Solution

The fourth proportional to 198,004.96, 297,002.40 and 57,764.80 is: 86,645.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,004.96 : 297,002.40 = 57,764.80 : x
  2. Step 2: Convert to fraction form
    198,004.96/297,002.40 = 57,764.80/x
  3. Step 3: Cross multiply
    198,004.96x = 297,002.40 × 57,764.80
  4. Step 4: Simplify right side
    198,004.96x = 17,156,284,235.52
  5. Step 5: Solve for x
    x = 17,156,284,235.52/198,004.96
  6. Step 6: Final answer
    x = 86,645.73

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1.5x scale

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.