Home / 276,631.60-414,850.20-126,943.60

Finding the Fourth Proportional to 276,631.60, 414,850.20 and 126,943.60

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Solution

The fourth proportional to 276,631.60, 414,850.20 and 126,943.60 is: 190,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,631.60 : 414,850.20 = 126,943.60 : x
  2. Step 2: Convert to fraction form
    276,631.60/414,850.20 = 126,943.60/x
  3. Step 3: Cross multiply
    276,631.60x = 414,850.20 × 126,943.60
  4. Step 4: Simplify right side
    276,631.60x = 52,662,577,848.72
  5. Step 5: Solve for x
    x = 52,662,577,848.72/276,631.60
  6. Step 6: Final answer
    x = 190,370.80

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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.