Home / 198,965.94-298,261.30-99,031.66

Finding the Fourth Proportional to 198,965.94, 298,261.30 and 99,031.66

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Solution

The fourth proportional to 198,965.94, 298,261.30 and 99,031.66 is: 148,454.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,965.94 : 298,261.30 = 99,031.66 : x
  2. Step 2: Convert to fraction form
    198,965.94/298,261.30 = 99,031.66/x
  3. Step 3: Cross multiply
    198,965.94x = 298,261.30 × 99,031.66
  4. Step 4: Simplify right side
    198,965.94x = 29,537,311,652.76
  5. Step 5: Solve for x
    x = 29,537,311,652.76/198,965.94
  6. Step 6: Final answer
    x = 148,454.11

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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.