Home / 133,662.09-184,436.16-79,927.50

Finding the Fourth Proportional to 133,662.09, 184,436.16 and 79,927.50

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Solution

The fourth proportional to 133,662.09, 184,436.16 and 79,927.50 is: 110,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,662.09 : 184,436.16 = 79,927.50 : x
  2. Step 2: Convert to fraction form
    133,662.09/184,436.16 = 79,927.50/x
  3. Step 3: Cross multiply
    133,662.09x = 184,436.16 × 79,927.50
  4. Step 4: Simplify right side
    133,662.09x = 14,741,521,178.40
  5. Step 5: Solve for x
    x = 14,741,521,178.40/133,662.09
  6. Step 6: Final answer
    x = 110,289.47

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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.