Home / 318,144.69-439,028.37-174,903.75

Finding the Fourth Proportional to 318,144.69, 439,028.37 and 174,903.75

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Solution

The fourth proportional to 318,144.69, 439,028.37 and 174,903.75 is: 241,360.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,144.69 : 439,028.37 = 174,903.75 : x
  2. Step 2: Convert to fraction form
    318,144.69/439,028.37 = 174,903.75/x
  3. Step 3: Cross multiply
    318,144.69x = 439,028.37 × 174,903.75
  4. Step 4: Simplify right side
    318,144.69x = 76,787,708,269.39
  5. Step 5: Solve for x
    x = 76,787,708,269.39/318,144.69
  6. Step 6: Final answer
    x = 241,360.96

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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.