Home / 246,643.38-369,975.46-78,170.36

Finding the Fourth Proportional to 246,643.38, 369,975.46 and 78,170.36

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Solution

The fourth proportional to 246,643.38, 369,975.46 and 78,170.36 is: 117,258.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,643.38 : 369,975.46 = 78,170.36 : x
  2. Step 2: Convert to fraction form
    246,643.38/369,975.46 = 78,170.36/x
  3. Step 3: Cross multiply
    246,643.38x = 369,975.46 × 78,170.36
  4. Step 4: Simplify right side
    246,643.38x = 28,921,113,821.33
  5. Step 5: Solve for x
    x = 28,921,113,821.33/246,643.38
  6. Step 6: Final answer
    x = 117,258.83

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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.