Home / 300,712.32-414,982.85-179,853.60

Finding the Fourth Proportional to 300,712.32, 414,982.85 and 179,853.60

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Solution

The fourth proportional to 300,712.32, 414,982.85 and 179,853.60 is: 248,197.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,712.32 : 414,982.85 = 179,853.60 : x
  2. Step 2: Convert to fraction form
    300,712.32/414,982.85 = 179,853.60/x
  3. Step 3: Cross multiply
    300,712.32x = 414,982.85 × 179,853.60
  4. Step 4: Simplify right side
    300,712.32x = 74,636,158,611.49
  5. Step 5: Solve for x
    x = 74,636,158,611.49/300,712.32
  6. Step 6: Final answer
    x = 248,197.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.