Home / 133,224.75-183,850.16-76,636.13

Finding the Fourth Proportional to 133,224.75, 183,850.16 and 76,636.13

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Solution

The fourth proportional to 133,224.75, 183,850.16 and 76,636.13 is: 105,757.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,224.75 : 183,850.16 = 76,636.13 : x
  2. Step 2: Convert to fraction form
    133,224.75/183,850.16 = 76,636.13/x
  3. Step 3: Cross multiply
    133,224.75x = 183,850.16 × 76,636.13
  4. Step 4: Simplify right side
    133,224.75x = 14,089,563,459.85
  5. Step 5: Solve for x
    x = 14,089,563,459.85/133,224.75
  6. Step 6: Final answer
    x = 105,757.85

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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.