Home / 133,479.06-184,401.24-87,647.43

Finding the Fourth Proportional to 133,479.06, 184,401.24 and 87,647.43

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Solution

The fourth proportional to 133,479.06, 184,401.24 and 87,647.43 is: 121,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,479.06 : 184,401.24 = 87,647.43 : x
  2. Step 2: Convert to fraction form
    133,479.06/184,401.24 = 87,647.43/x
  3. Step 3: Cross multiply
    133,479.06x = 184,401.24 × 87,647.43
  4. Step 4: Simplify right side
    133,479.06x = 16,162,294,774.81
  5. Step 5: Solve for x
    x = 16,162,294,774.81/133,479.06
  6. Step 6: Final answer
    x = 121,084.87

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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.