Home / 199,065.40-298,598.10-189,388.60

Finding the Fourth Proportional to 199,065.40, 298,598.10 and 189,388.60

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Solution

The fourth proportional to 199,065.40, 298,598.10 and 189,388.60 is: 284,082.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,065.40 : 298,598.10 = 189,388.60 : x
  2. Step 2: Convert to fraction form
    199,065.40/298,598.10 = 189,388.60/x
  3. Step 3: Cross multiply
    199,065.40x = 298,598.10 × 189,388.60
  4. Step 4: Simplify right side
    199,065.40x = 56,551,076,121.66
  5. Step 5: Solve for x
    x = 56,551,076,121.66/199,065.40
  6. Step 6: Final answer
    x = 284,082.90

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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.