Home / 183,039.20-274,558.80-77,861.60

Finding the Fourth Proportional to 183,039.20, 274,558.80 and 77,861.60

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Solution

The fourth proportional to 183,039.20, 274,558.80 and 77,861.60 is: 116,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,039.20 : 274,558.80 = 77,861.60 : x
  2. Step 2: Convert to fraction form
    183,039.20/274,558.80 = 77,861.60/x
  3. Step 3: Cross multiply
    183,039.20x = 274,558.80 × 77,861.60
  4. Step 4: Simplify right side
    183,039.20x = 21,377,587,462.08
  5. Step 5: Solve for x
    x = 21,377,587,462.08/183,039.20
  6. Step 6: Final answer
    x = 116,792.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.