Home / 133,698.09-184,497.03-80,012.64

Finding the Fourth Proportional to 133,698.09, 184,497.03 and 80,012.64

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Solution

The fourth proportional to 133,698.09, 184,497.03 and 80,012.64 is: 110,413.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,698.09 : 184,497.03 = 80,012.64 : x
  2. Step 2: Convert to fraction form
    133,698.09/184,497.03 = 80,012.64/x
  3. Step 3: Cross multiply
    133,698.09x = 184,497.03 × 80,012.64
  4. Step 4: Simplify right side
    133,698.09x = 14,762,094,442.46
  5. Step 5: Solve for x
    x = 14,762,094,442.46/133,698.09
  6. Step 6: Final answer
    x = 110,413.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.