Home / 190,153.64-262,329.62-114,660.20

Finding the Fourth Proportional to 190,153.64, 262,329.62 and 114,660.20

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Solution

The fourth proportional to 190,153.64, 262,329.62 and 114,660.20 is: 158,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,153.64 : 262,329.62 = 114,660.20 : x
  2. Step 2: Convert to fraction form
    190,153.64/262,329.62 = 114,660.20/x
  3. Step 3: Cross multiply
    190,153.64x = 262,329.62 × 114,660.20
  4. Step 4: Simplify right side
    190,153.64x = 30,078,766,695.12
  5. Step 5: Solve for x
    x = 30,078,766,695.12/190,153.64
  6. Step 6: Final answer
    x = 158,181.39

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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.