Home / 193,435.42-290,059.74-81,085.46

Finding the Fourth Proportional to 193,435.42, 290,059.74 and 81,085.46

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Solution

The fourth proportional to 193,435.42, 290,059.74 and 81,085.46 is: 121,589.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,435.42 : 290,059.74 = 81,085.46 : x
  2. Step 2: Convert to fraction form
    193,435.42/290,059.74 = 81,085.46/x
  3. Step 3: Cross multiply
    193,435.42x = 290,059.74 × 81,085.46
  4. Step 4: Simplify right side
    193,435.42x = 23,519,628,670.51
  5. Step 5: Solve for x
    x = 23,519,628,670.51/193,435.42
  6. Step 6: Final answer
    x = 121,589.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.