Home / 190,516.48-285,774.72-65,789.44

Finding the Fourth Proportional to 190,516.48, 285,774.72 and 65,789.44

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Solution

The fourth proportional to 190,516.48, 285,774.72 and 65,789.44 is: 98,684.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,516.48 : 285,774.72 = 65,789.44 : x
  2. Step 2: Convert to fraction form
    190,516.48/285,774.72 = 65,789.44/x
  3. Step 3: Cross multiply
    190,516.48x = 285,774.72 × 65,789.44
  4. Step 4: Simplify right side
    190,516.48x = 18,800,958,794.96
  5. Step 5: Solve for x
    x = 18,800,958,794.96/190,516.48
  6. Step 6: Final answer
    x = 98,684.16

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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.