Home / 198,309.45-297,433.35-65,188.83

Finding the Fourth Proportional to 198,309.45, 297,433.35 and 65,188.83

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Solution

The fourth proportional to 198,309.45, 297,433.35 and 65,188.83 is: 97,773.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,309.45 : 297,433.35 = 65,188.83 : x
  2. Step 2: Convert to fraction form
    198,309.45/297,433.35 = 65,188.83/x
  3. Step 3: Cross multiply
    198,309.45x = 297,433.35 × 65,188.83
  4. Step 4: Simplify right side
    198,309.45x = 19,389,332,089.48
  5. Step 5: Solve for x
    x = 19,389,332,089.48/198,309.45
  6. Step 6: Final answer
    x = 97,773.11

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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.