Home / 192,273.62-287,842.46-142,020.02

Finding the Fourth Proportional to 192,273.62, 287,842.46 and 142,020.02

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Solution

The fourth proportional to 192,273.62, 287,842.46 and 142,020.02 is: 212,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,273.62 : 287,842.46 = 142,020.02 : x
  2. Step 2: Convert to fraction form
    192,273.62/287,842.46 = 142,020.02/x
  3. Step 3: Cross multiply
    192,273.62x = 287,842.46 × 142,020.02
  4. Step 4: Simplify right side
    192,273.62x = 40,879,390,841.89
  5. Step 5: Solve for x
    x = 40,879,390,841.89/192,273.62
  6. Step 6: Final answer
    x = 212,610.51

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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.