Home / 190,149.45-262,464.60-109,630.72

Finding the Fourth Proportional to 190,149.45, 262,464.60 and 109,630.72

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Solution

The fourth proportional to 190,149.45, 262,464.60 and 109,630.72 is: 151,324.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,149.45 : 262,464.60 = 109,630.72 : x
  2. Step 2: Convert to fraction form
    190,149.45/262,464.60 = 109,630.72/x
  3. Step 3: Cross multiply
    190,149.45x = 262,464.60 × 109,630.72
  4. Step 4: Simplify right side
    190,149.45x = 28,774,183,072.51
  5. Step 5: Solve for x
    x = 28,774,183,072.51/190,149.45
  6. Step 6: Final answer
    x = 151,324.04

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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.