Home / 306,049.20-459,073.80-193,856.10

Finding the Fourth Proportional to 306,049.20, 459,073.80 and 193,856.10

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Solution

The fourth proportional to 306,049.20, 459,073.80 and 193,856.10 is: 290,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,049.20 : 459,073.80 = 193,856.10 : x
  2. Step 2: Convert to fraction form
    306,049.20/459,073.80 = 193,856.10/x
  3. Step 3: Cross multiply
    306,049.20x = 459,073.80 × 193,856.10
  4. Step 4: Simplify right side
    306,049.20x = 88,994,256,480.18
  5. Step 5: Solve for x
    x = 88,994,256,480.18/306,049.20
  6. Step 6: Final answer
    x = 290,784.15

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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.