Home / 342,183.85-472,172.29-189,211.57

Finding the Fourth Proportional to 342,183.85, 472,172.29 and 189,211.57

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Solution

The fourth proportional to 342,183.85, 472,172.29 and 189,211.57 is: 261,089.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,183.85 : 472,172.29 = 189,211.57 : x
  2. Step 2: Convert to fraction form
    342,183.85/472,172.29 = 189,211.57/x
  3. Step 3: Cross multiply
    342,183.85x = 472,172.29 × 189,211.57
  4. Step 4: Simplify right side
    342,183.85x = 89,340,460,301.40
  5. Step 5: Solve for x
    x = 89,340,460,301.40/342,183.85
  6. Step 6: Final answer
    x = 261,089.06

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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.