Home / 184,183.78-254,155.80-103,639.18

Finding the Fourth Proportional to 184,183.78, 254,155.80 and 103,639.18

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Solution

The fourth proportional to 184,183.78, 254,155.80 and 103,639.18 is: 143,012.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,183.78 : 254,155.80 = 103,639.18 : x
  2. Step 2: Convert to fraction form
    184,183.78/254,155.80 = 103,639.18/x
  3. Step 3: Cross multiply
    184,183.78x = 254,155.80 × 103,639.18
  4. Step 4: Simplify right side
    184,183.78x = 26,340,498,704.24
  5. Step 5: Solve for x
    x = 26,340,498,704.24/184,183.78
  6. Step 6: Final answer
    x = 143,012.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.