Home / 276,266.12-381,243.27-153,757.67

Finding the Fourth Proportional to 276,266.12, 381,243.27 and 153,757.67

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Solution

The fourth proportional to 276,266.12, 381,243.27 and 153,757.67 is: 212,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,266.12 : 381,243.27 = 153,757.67 : x
  2. Step 2: Convert to fraction form
    276,266.12/381,243.27 = 153,757.67/x
  3. Step 3: Cross multiply
    276,266.12x = 381,243.27 × 153,757.67
  4. Step 4: Simplify right side
    276,266.12x = 58,619,075,992.34
  5. Step 5: Solve for x
    x = 58,619,075,992.34/276,266.12
  6. Step 6: Final answer
    x = 212,183.37

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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.