Home / 204,848.60-307,272.90-120,867.80

Finding the Fourth Proportional to 204,848.60, 307,272.90 and 120,867.80

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Solution

The fourth proportional to 204,848.60, 307,272.90 and 120,867.80 is: 181,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,848.60 : 307,272.90 = 120,867.80 : x
  2. Step 2: Convert to fraction form
    204,848.60/307,272.90 = 120,867.80/x
  3. Step 3: Cross multiply
    204,848.60x = 307,272.90 × 120,867.80
  4. Step 4: Simplify right side
    204,848.60x = 37,139,399,422.62
  5. Step 5: Solve for x
    x = 37,139,399,422.62/204,848.60
  6. Step 6: Final answer
    x = 181,301.70

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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.