Home / 133,074.92-183,635.56-76,486.30

Finding the Fourth Proportional to 133,074.92, 183,635.56 and 76,486.30

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Solution

The fourth proportional to 133,074.92, 183,635.56 and 76,486.30 is: 105,546.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,074.92 : 183,635.56 = 76,486.30 : x
  2. Step 2: Convert to fraction form
    133,074.92/183,635.56 = 76,486.30/x
  3. Step 3: Cross multiply
    133,074.92x = 183,635.56 × 76,486.30
  4. Step 4: Simplify right side
    133,074.92x = 14,045,604,532.83
  5. Step 5: Solve for x
    x = 14,045,604,532.83/133,074.92
  6. Step 6: Final answer
    x = 105,546.59

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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.