Home / 133,509.32-184,230.26-79,783.64

Finding the Fourth Proportional to 133,509.32, 184,230.26 and 79,783.64

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Solution

The fourth proportional to 133,509.32, 184,230.26 and 79,783.64 is: 110,093.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,509.32 : 184,230.26 = 79,783.64 : x
  2. Step 2: Convert to fraction form
    133,509.32/184,230.26 = 79,783.64/x
  3. Step 3: Cross multiply
    133,509.32x = 184,230.26 × 79,783.64
  4. Step 4: Simplify right side
    133,509.32x = 14,698,560,740.95
  5. Step 5: Solve for x
    x = 14,698,560,740.95/133,509.32
  6. Step 6: Final answer
    x = 110,093.89

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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.