Home / 252,023.10-378,034.65-194,942.40

Finding the Fourth Proportional to 252,023.10, 378,034.65 and 194,942.40

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Solution

The fourth proportional to 252,023.10, 378,034.65 and 194,942.40 is: 292,413.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,023.10 : 378,034.65 = 194,942.40 : x
  2. Step 2: Convert to fraction form
    252,023.10/378,034.65 = 194,942.40/x
  3. Step 3: Cross multiply
    252,023.10x = 378,034.65 × 194,942.40
  4. Step 4: Simplify right side
    252,023.10x = 73,694,981,954.16
  5. Step 5: Solve for x
    x = 73,694,981,954.16/252,023.10
  6. Step 6: Final answer
    x = 292,413.60

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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.