Home / 204,848.73-307,062.63-78,459.30

Finding the Fourth Proportional to 204,848.73, 307,062.63 and 78,459.30

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Solution

The fourth proportional to 204,848.73, 307,062.63 and 78,459.30 is: 117,608.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,848.73 : 307,062.63 = 78,459.30 : x
  2. Step 2: Convert to fraction form
    204,848.73/307,062.63 = 78,459.30/x
  3. Step 3: Cross multiply
    204,848.73x = 307,062.63 × 78,459.30
  4. Step 4: Simplify right side
    204,848.73x = 24,091,919,005.96
  5. Step 5: Solve for x
    x = 24,091,919,005.96/204,848.73
  6. Step 6: Final answer
    x = 117,608.34

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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.