Home / 262,424.72-393,634.49-120,229.67

Finding the Fourth Proportional to 262,424.72, 393,634.49 and 120,229.67

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Solution

The fourth proportional to 262,424.72, 393,634.49 and 120,229.67 is: 180,343.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,424.72 : 393,634.49 = 120,229.67 : x
  2. Step 2: Convert to fraction form
    262,424.72/393,634.49 = 120,229.67/x
  3. Step 3: Cross multiply
    262,424.72x = 393,634.49 × 120,229.67
  4. Step 4: Simplify right side
    262,424.72x = 47,326,542,264.00
  5. Step 5: Solve for x
    x = 47,326,542,264.00/262,424.72
  6. Step 6: Final answer
    x = 180,343.31

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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.