Home / 208,418.24-312,626.55-50,647.16

Finding the Fourth Proportional to 208,418.24, 312,626.55 and 50,647.16

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Solution

The fourth proportional to 208,418.24, 312,626.55 and 50,647.16 is: 75,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,418.24 : 312,626.55 = 50,647.16 : x
  2. Step 2: Convert to fraction form
    208,418.24/312,626.55 = 50,647.16/x
  3. Step 3: Cross multiply
    208,418.24x = 312,626.55 × 50,647.16
  4. Step 4: Simplify right side
    208,418.24x = 15,833,646,898.10
  5. Step 5: Solve for x
    x = 15,833,646,898.10/208,418.24
  6. Step 6: Final answer
    x = 75,970.54

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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.