Home / 190,289.62-262,596.18-109,720.54

Finding the Fourth Proportional to 190,289.62, 262,596.18 and 109,720.54

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Solution

The fourth proportional to 190,289.62, 262,596.18 and 109,720.54 is: 151,412.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,289.62 : 262,596.18 = 109,720.54 : x
  2. Step 2: Convert to fraction form
    190,289.62/262,596.18 = 109,720.54/x
  3. Step 3: Cross multiply
    190,289.62x = 262,596.18 × 109,720.54
  4. Step 4: Simplify right side
    190,289.62x = 28,812,194,794.06
  5. Step 5: Solve for x
    x = 28,812,194,794.06/190,289.62
  6. Step 6: Final answer
    x = 151,412.33

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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.