Home / 190,147.40-285,128.76-95,336.84

Finding the Fourth Proportional to 190,147.40, 285,128.76 and 95,336.84

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Solution

The fourth proportional to 190,147.40, 285,128.76 and 95,336.84 is: 142,958.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,147.40 : 285,128.76 = 95,336.84 : x
  2. Step 2: Convert to fraction form
    190,147.40/285,128.76 = 95,336.84/x
  3. Step 3: Cross multiply
    190,147.40x = 285,128.76 × 95,336.84
  4. Step 4: Simplify right side
    190,147.40x = 27,183,274,971.52
  5. Step 5: Solve for x
    x = 27,183,274,971.52/190,147.40
  6. Step 6: Final answer
    x = 142,958.96

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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.