Home / 133,540.36-184,307.32-76,181.02

Finding the Fourth Proportional to 133,540.36, 184,307.32 and 76,181.02

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Solution

The fourth proportional to 133,540.36, 184,307.32 and 76,181.02 is: 105,142.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,540.36 : 184,307.32 = 76,181.02 : x
  2. Step 2: Convert to fraction form
    133,540.36/184,307.32 = 76,181.02/x
  3. Step 3: Cross multiply
    133,540.36x = 184,307.32 × 76,181.02
  4. Step 4: Simplify right side
    133,540.36x = 14,040,719,631.07
  5. Step 5: Solve for x
    x = 14,040,719,631.07/133,540.36
  6. Step 6: Final answer
    x = 105,142.14

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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.