Home / 460,183.76-690,380.20-140,364.22

Finding the Fourth Proportional to 460,183.76, 690,380.20 and 140,364.22

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Solution

The fourth proportional to 460,183.76, 690,380.20 and 140,364.22 is: 210,578.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,183.76 : 690,380.20 = 140,364.22 : x
  2. Step 2: Convert to fraction form
    460,183.76/690,380.20 = 140,364.22/x
  3. Step 3: Cross multiply
    460,183.76x = 690,380.20 × 140,364.22
  4. Step 4: Simplify right side
    460,183.76x = 96,904,680,250.15
  5. Step 5: Solve for x
    x = 96,904,680,250.15/460,183.76
  6. Step 6: Final answer
    x = 210,578.23

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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.