Home / 198,951.11-298,427.07-163,816.96

Finding the Fourth Proportional to 198,951.11, 298,427.07 and 163,816.96

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Solution

The fourth proportional to 198,951.11, 298,427.07 and 163,816.96 is: 245,725.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,951.11 : 298,427.07 = 163,816.96 : x
  2. Step 2: Convert to fraction form
    198,951.11/298,427.07 = 163,816.96/x
  3. Step 3: Cross multiply
    198,951.11x = 298,427.07 × 163,816.96
  4. Step 4: Simplify right side
    198,951.11x = 48,887,415,389.11
  5. Step 5: Solve for x
    x = 48,887,415,389.11/198,951.11
  6. Step 6: Final answer
    x = 245,725.77

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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.