Home / 383,217.50-528,814.85-230,164.75

Finding the Fourth Proportional to 383,217.50, 528,814.85 and 230,164.75

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Solution

The fourth proportional to 383,217.50, 528,814.85 and 230,164.75 is: 317,612.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,217.50 : 528,814.85 = 230,164.75 : x
  2. Step 2: Convert to fraction form
    383,217.50/528,814.85 = 230,164.75/x
  3. Step 3: Cross multiply
    383,217.50x = 528,814.85 × 230,164.75
  4. Step 4: Simplify right side
    383,217.50x = 121,714,535,273.68
  5. Step 5: Solve for x
    x = 121,714,535,273.68/383,217.50
  6. Step 6: Final answer
    x = 317,612.15

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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.