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Finding the Fourth Proportional to 190,396.64, 262,709.52 and 114,949.28

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Solution

The fourth proportional to 190,396.64, 262,709.52 and 114,949.28 is: 158,607.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,396.64 : 262,709.52 = 114,949.28 : x
  2. Step 2: Convert to fraction form
    190,396.64/262,709.52 = 114,949.28/x
  3. Step 3: Cross multiply
    190,396.64x = 262,709.52 × 114,949.28
  4. Step 4: Simplify right side
    190,396.64x = 30,198,270,173.15
  5. Step 5: Solve for x
    x = 30,198,270,173.15/190,396.64
  6. Step 6: Final answer
    x = 158,607.16

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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.