Home / 262,422.72-393,631.48-120,227.66

Finding the Fourth Proportional to 262,422.72, 393,631.48 and 120,227.66

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Solution

The fourth proportional to 262,422.72, 393,631.48 and 120,227.66 is: 180,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,422.72 : 393,631.48 = 120,227.66 : x
  2. Step 2: Convert to fraction form
    262,422.72/393,631.48 = 120,227.66/x
  3. Step 3: Cross multiply
    262,422.72x = 393,631.48 × 120,227.66
  4. Step 4: Simplify right side
    262,422.72x = 47,325,391,742.74
  5. Step 5: Solve for x
    x = 47,325,391,742.74/262,422.72
  6. Step 6: Final answer
    x = 180,340.30

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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.