Home / 198,835.74-298,037.34-99,069.66

Finding the Fourth Proportional to 198,835.74, 298,037.34 and 99,069.66

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Solution

The fourth proportional to 198,835.74, 298,037.34 and 99,069.66 is: 148,496.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,835.74 : 298,037.34 = 99,069.66 : x
  2. Step 2: Convert to fraction form
    198,835.74/298,037.34 = 99,069.66/x
  3. Step 3: Cross multiply
    198,835.74x = 298,037.34 × 99,069.66
  4. Step 4: Simplify right side
    198,835.74x = 29,526,457,941.10
  5. Step 5: Solve for x
    x = 29,526,457,941.10/198,835.74
  6. Step 6: Final answer
    x = 148,496.73

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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.