Home / 227,396.45-313,930.13-136,772.64

Finding the Fourth Proportional to 227,396.45, 313,930.13 and 136,772.64

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Solution

The fourth proportional to 227,396.45, 313,930.13 and 136,772.64 is: 188,820.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,396.45 : 313,930.13 = 136,772.64 : x
  2. Step 2: Convert to fraction form
    227,396.45/313,930.13 = 136,772.64/x
  3. Step 3: Cross multiply
    227,396.45x = 313,930.13 × 136,772.64
  4. Step 4: Simplify right side
    227,396.45x = 42,937,052,655.64
  5. Step 5: Solve for x
    x = 42,937,052,655.64/227,396.45
  6. Step 6: Final answer
    x = 188,820.24

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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.