Home / 190,251.54-262,546.47-109,678.68

Finding the Fourth Proportional to 190,251.54, 262,546.47 and 109,678.68

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Solution

The fourth proportional to 190,251.54, 262,546.47 and 109,678.68 is: 151,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,251.54 : 262,546.47 = 109,678.68 : x
  2. Step 2: Convert to fraction form
    190,251.54/262,546.47 = 109,678.68/x
  3. Step 3: Cross multiply
    190,251.54x = 262,546.47 × 109,678.68
  4. Step 4: Simplify right side
    190,251.54x = 28,795,750,268.26
  5. Step 5: Solve for x
    x = 28,795,750,268.26/190,251.54
  6. Step 6: Final answer
    x = 151,356.20

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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.