Home / 190,140.58-262,517.79-122,183.74

Finding the Fourth Proportional to 190,140.58, 262,517.79 and 122,183.74

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Solution

The fourth proportional to 190,140.58, 262,517.79 and 122,183.74 is: 168,693.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,140.58 : 262,517.79 = 122,183.74 : x
  2. Step 2: Convert to fraction form
    190,140.58/262,517.79 = 122,183.74/x
  3. Step 3: Cross multiply
    190,140.58x = 262,517.79 × 122,183.74
  4. Step 4: Simplify right side
    190,140.58x = 32,075,405,398.73
  5. Step 5: Solve for x
    x = 32,075,405,398.73/190,140.58
  6. Step 6: Final answer
    x = 168,693.11

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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.