Home / 154,485.15-231,235.65-110,198.40

Finding the Fourth Proportional to 154,485.15, 231,235.65 and 110,198.40

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Solution

The fourth proportional to 154,485.15, 231,235.65 and 110,198.40 is: 164,946.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,485.15 : 231,235.65 = 110,198.40 : x
  2. Step 2: Convert to fraction form
    154,485.15/231,235.65 = 110,198.40/x
  3. Step 3: Cross multiply
    154,485.15x = 231,235.65 × 110,198.40
  4. Step 4: Simplify right side
    154,485.15x = 25,481,798,652.96
  5. Step 5: Solve for x
    x = 25,481,798,652.96/154,485.15
  6. Step 6: Final answer
    x = 164,946.59

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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.