Home / 190,004.55-262,183.23-109,458.15

Finding the Fourth Proportional to 190,004.55, 262,183.23 and 109,458.15

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Solution

The fourth proportional to 190,004.55, 262,183.23 and 109,458.15 is: 151,038.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,004.55 : 262,183.23 = 109,458.15 : x
  2. Step 2: Convert to fraction form
    190,004.55/262,183.23 = 109,458.15/x
  3. Step 3: Cross multiply
    190,004.55x = 262,183.23 × 109,458.15
  4. Step 4: Simplify right side
    190,004.55x = 28,698,091,316.82
  5. Step 5: Solve for x
    x = 28,698,091,316.82/190,004.55
  6. Step 6: Final answer
    x = 151,038.97

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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.