Home / 300,683.36-451,024.74-123,190.70

Finding the Fourth Proportional to 300,683.36, 451,024.74 and 123,190.70

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Solution

The fourth proportional to 300,683.36, 451,024.74 and 123,190.70 is: 184,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,683.36 : 451,024.74 = 123,190.70 : x
  2. Step 2: Convert to fraction form
    300,683.36/451,024.74 = 123,190.70/x
  3. Step 3: Cross multiply
    300,683.36x = 451,024.74 × 123,190.70
  4. Step 4: Simplify right side
    300,683.36x = 55,562,053,437.92
  5. Step 5: Solve for x
    x = 55,562,053,437.92/300,683.36
  6. Step 6: Final answer
    x = 184,785.93

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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.