Home / 190,202.08-285,350.50-57,084.78

Finding the Fourth Proportional to 190,202.08, 285,350.50 and 57,084.78

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Solution

The fourth proportional to 190,202.08, 285,350.50 and 57,084.78 is: 85,641.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,202.08 : 285,350.50 = 57,084.78 : x
  2. Step 2: Convert to fraction form
    190,202.08/285,350.50 = 57,084.78/x
  3. Step 3: Cross multiply
    190,202.08x = 285,350.50 × 57,084.78
  4. Step 4: Simplify right side
    190,202.08x = 16,289,170,515.39
  5. Step 5: Solve for x
    x = 16,289,170,515.39/190,202.08
  6. Step 6: Final answer
    x = 85,641.39

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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.