Home / 188,082.48-259,626.08-127,680.12

Finding the Fourth Proportional to 188,082.48, 259,626.08 and 127,680.12

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Solution

The fourth proportional to 188,082.48, 259,626.08 and 127,680.12 is: 176,247.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,082.48 : 259,626.08 = 127,680.12 : x
  2. Step 2: Convert to fraction form
    188,082.48/259,626.08 = 127,680.12/x
  3. Step 3: Cross multiply
    188,082.48x = 259,626.08 × 127,680.12
  4. Step 4: Simplify right side
    188,082.48x = 33,149,089,049.53
  5. Step 5: Solve for x
    x = 33,149,089,049.53/188,082.48
  6. Step 6: Final answer
    x = 176,247.62

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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.