Home / 343,739.52-474,353.40-190,768.83

Finding the Fourth Proportional to 343,739.52, 474,353.40 and 190,768.83

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Solution

The fourth proportional to 343,739.52, 474,353.40 and 190,768.83 is: 263,257.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,739.52 : 474,353.40 = 190,768.83 : x
  2. Step 2: Convert to fraction form
    343,739.52/474,353.40 = 190,768.83/x
  3. Step 3: Cross multiply
    343,739.52x = 474,353.40 × 190,768.83
  4. Step 4: Simplify right side
    343,739.52x = 90,491,843,246.96
  5. Step 5: Solve for x
    x = 90,491,843,246.96/343,739.52
  6. Step 6: Final answer
    x = 263,257.02

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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.