Home / 343,591.45-474,140.19-190,628.02

Finding the Fourth Proportional to 343,591.45, 474,140.19 and 190,628.02

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Solution

The fourth proportional to 343,591.45, 474,140.19 and 190,628.02 is: 263,057.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,591.45 : 474,140.19 = 190,628.02 : x
  2. Step 2: Convert to fraction form
    343,591.45/474,140.19 = 190,628.02/x
  3. Step 3: Cross multiply
    343,591.45x = 474,140.19 × 190,628.02
  4. Step 4: Simplify right side
    343,591.45x = 90,384,405,622.12
  5. Step 5: Solve for x
    x = 90,384,405,622.12/343,591.45
  6. Step 6: Final answer
    x = 263,057.78

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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.