Home / 148,647.29-205,132.23-80,662.55

Finding the Fourth Proportional to 148,647.29, 205,132.23 and 80,662.55

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Solution

The fourth proportional to 148,647.29, 205,132.23 and 80,662.55 is: 111,313.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,647.29 : 205,132.23 = 80,662.55 : x
  2. Step 2: Convert to fraction form
    148,647.29/205,132.23 = 80,662.55/x
  3. Step 3: Cross multiply
    148,647.29x = 205,132.23 × 80,662.55
  4. Step 4: Simplify right side
    148,647.29x = 16,546,487,733.33
  5. Step 5: Solve for x
    x = 16,546,487,733.33/148,647.29
  6. Step 6: Final answer
    x = 111,313.76

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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.