Home / 263,319.51-363,424.40-161,401.67

Finding the Fourth Proportional to 263,319.51, 363,424.40 and 161,401.67

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Solution

The fourth proportional to 263,319.51, 363,424.40 and 161,401.67 is: 222,760.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,319.51 : 363,424.40 = 161,401.67 : x
  2. Step 2: Convert to fraction form
    263,319.51/363,424.40 = 161,401.67/x
  3. Step 3: Cross multiply
    263,319.51x = 363,424.40 × 161,401.67
  4. Step 4: Simplify right side
    263,319.51x = 58,657,305,078.75
  5. Step 5: Solve for x
    x = 58,657,305,078.75/263,319.51
  6. Step 6: Final answer
    x = 222,760.95

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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.