Home / 154,018.58-231,036.12-48,845.75

Finding the Fourth Proportional to 154,018.58, 231,036.12 and 48,845.75

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Solution

The fourth proportional to 154,018.58, 231,036.12 and 48,845.75 is: 73,271.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,018.58 : 231,036.12 = 48,845.75 : x
  2. Step 2: Convert to fraction form
    154,018.58/231,036.12 = 48,845.75/x
  3. Step 3: Cross multiply
    154,018.58x = 231,036.12 × 48,845.75
  4. Step 4: Simplify right side
    154,018.58x = 11,285,131,403.31
  5. Step 5: Solve for x
    x = 11,285,131,403.31/154,018.58
  6. Step 6: Final answer
    x = 73,271.24

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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.