Home / 133,915.62-184,803.54-76,556.18

Finding the Fourth Proportional to 133,915.62, 184,803.54 and 76,556.18

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Solution

The fourth proportional to 133,915.62, 184,803.54 and 76,556.18 is: 105,647.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,915.62 : 184,803.54 = 76,556.18 : x
  2. Step 2: Convert to fraction form
    133,915.62/184,803.54 = 76,556.18/x
  3. Step 3: Cross multiply
    133,915.62x = 184,803.54 × 76,556.18
  4. Step 4: Simplify right side
    133,915.62x = 14,147,853,072.88
  5. Step 5: Solve for x
    x = 14,147,853,072.88/133,915.62
  6. Step 6: Final answer
    x = 105,647.52

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1.5x scale

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.