Home / 185,254.44-277,984.62-90,485.70

Finding the Fourth Proportional to 185,254.44, 277,984.62 and 90,485.70

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Solution

The fourth proportional to 185,254.44, 277,984.62 and 90,485.70 is: 135,778.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,254.44 : 277,984.62 = 90,485.70 : x
  2. Step 2: Convert to fraction form
    185,254.44/277,984.62 = 90,485.70/x
  3. Step 3: Cross multiply
    185,254.44x = 277,984.62 × 90,485.70
  4. Step 4: Simplify right side
    185,254.44x = 25,153,632,929.93
  5. Step 5: Solve for x
    x = 25,153,632,929.93/185,254.44
  6. Step 6: Final answer
    x = 135,778.84

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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.