Home / 154,021.33-231,040.25-48,848.50

Finding the Fourth Proportional to 154,021.33, 231,040.25 and 48,848.50

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Solution

The fourth proportional to 154,021.33, 231,040.25 and 48,848.50 is: 73,275.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,021.33 : 231,040.25 = 48,848.50 : x
  2. Step 2: Convert to fraction form
    154,021.33/231,040.25 = 48,848.50/x
  3. Step 3: Cross multiply
    154,021.33x = 231,040.25 × 48,848.50
  4. Step 4: Simplify right side
    154,021.33x = 11,285,968,252.68
  5. Step 5: Solve for x
    x = 11,285,968,252.68/154,021.33
  6. Step 6: Final answer
    x = 73,275.36

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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.