Home / 303,923.10-455,228.55-197,634.90

Finding the Fourth Proportional to 303,923.10, 455,228.55 and 197,634.90

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Solution

The fourth proportional to 303,923.10, 455,228.55 and 197,634.90 is: 296,025.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,923.10 : 455,228.55 = 197,634.90 : x
  2. Step 2: Convert to fraction form
    303,923.10/455,228.55 = 197,634.90/x
  3. Step 3: Cross multiply
    303,923.10x = 455,228.55 × 197,634.90
  4. Step 4: Simplify right side
    303,923.10x = 89,969,048,956.40
  5. Step 5: Solve for x
    x = 89,969,048,956.40/303,923.10
  6. Step 6: Final answer
    x = 296,025.70

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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.