Home / 190,257.67-285,419.31-85,084.84

Finding the Fourth Proportional to 190,257.67, 285,419.31 and 85,084.84

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Solution

The fourth proportional to 190,257.67, 285,419.31 and 85,084.84 is: 127,641.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,257.67 : 285,419.31 = 85,084.84 : x
  2. Step 2: Convert to fraction form
    190,257.67/285,419.31 = 85,084.84/x
  3. Step 3: Cross multiply
    190,257.67x = 285,419.31 × 85,084.84
  4. Step 4: Simplify right side
    190,257.67x = 24,284,856,324.26
  5. Step 5: Solve for x
    x = 24,284,856,324.26/190,257.67
  6. Step 6: Final answer
    x = 127,641.93

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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.