Home / 306,040.20-459,060.30-193,847.10

Finding the Fourth Proportional to 306,040.20, 459,060.30 and 193,847.10

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Solution

The fourth proportional to 306,040.20, 459,060.30 and 193,847.10 is: 290,770.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,040.20 : 459,060.30 = 193,847.10 : x
  2. Step 2: Convert to fraction form
    306,040.20/459,060.30 = 193,847.10/x
  3. Step 3: Cross multiply
    306,040.20x = 459,060.30 × 193,847.10
  4. Step 4: Simplify right side
    306,040.20x = 88,987,507,880.13
  5. Step 5: Solve for x
    x = 88,987,507,880.13/306,040.20
  6. Step 6: Final answer
    x = 290,770.65

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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.