Home / 193,959.19-290,943.66-53,719.03

Finding the Fourth Proportional to 193,959.19, 290,943.66 and 53,719.03

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Solution

The fourth proportional to 193,959.19, 290,943.66 and 53,719.03 is: 80,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,959.19 : 290,943.66 = 53,719.03 : x
  2. Step 2: Convert to fraction form
    193,959.19/290,943.66 = 53,719.03/x
  3. Step 3: Cross multiply
    193,959.19x = 290,943.66 × 53,719.03
  4. Step 4: Simplify right side
    193,959.19x = 15,629,211,199.85
  5. Step 5: Solve for x
    x = 15,629,211,199.85/193,959.19
  6. Step 6: Final answer
    x = 80,579.90

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1.5x scale

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.