Home / 198,740.32-298,107.84-48,982.40

Finding the Fourth Proportional to 198,740.32, 298,107.84 and 48,982.40

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Solution

The fourth proportional to 198,740.32, 298,107.84 and 48,982.40 is: 73,472.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,740.32 : 298,107.84 = 48,982.40 : x
  2. Step 2: Convert to fraction form
    198,740.32/298,107.84 = 48,982.40/x
  3. Step 3: Cross multiply
    198,740.32x = 298,107.84 × 48,982.40
  4. Step 4: Simplify right side
    198,740.32x = 14,602,037,462.02
  5. Step 5: Solve for x
    x = 14,602,037,462.02/198,740.32
  6. Step 6: Final answer
    x = 73,472.95

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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.