Home / 300,790.04-451,285.58-98,395.38

Finding the Fourth Proportional to 300,790.04, 451,285.58 and 98,395.38

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Solution

The fourth proportional to 300,790.04, 451,285.58 and 98,395.38 is: 147,625.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,790.04 : 451,285.58 = 98,395.38 : x
  2. Step 2: Convert to fraction form
    300,790.04/451,285.58 = 98,395.38/x
  3. Step 3: Cross multiply
    300,790.04x = 451,285.58 × 98,395.38
  4. Step 4: Simplify right side
    300,790.04x = 44,404,416,132.62
  5. Step 5: Solve for x
    x = 44,404,416,132.62/300,790.04
  6. Step 6: Final answer
    x = 147,625.95

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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.