Home / 297,990.02-447,078.36-98,450.58

Finding the Fourth Proportional to 297,990.02, 447,078.36 and 98,450.58

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Solution

The fourth proportional to 297,990.02, 447,078.36 and 98,450.58 is: 147,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,990.02 : 447,078.36 = 98,450.58 : x
  2. Step 2: Convert to fraction form
    297,990.02/447,078.36 = 98,450.58/x
  3. Step 3: Cross multiply
    297,990.02x = 447,078.36 × 98,450.58
  4. Step 4: Simplify right side
    297,990.02x = 44,015,123,847.45
  5. Step 5: Solve for x
    x = 44,015,123,847.45/297,990.02
  6. Step 6: Final answer
    x = 147,706.70

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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.