Home / 318,826.89-439,975.78-175,600.26

Finding the Fourth Proportional to 318,826.89, 439,975.78 and 175,600.26

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Solution

The fourth proportional to 318,826.89, 439,975.78 and 175,600.26 is: 242,325.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,826.89 : 439,975.78 = 175,600.26 : x
  2. Step 2: Convert to fraction form
    318,826.89/439,975.78 = 175,600.26/x
  3. Step 3: Cross multiply
    318,826.89x = 439,975.78 × 175,600.26
  4. Step 4: Simplify right side
    318,826.89x = 77,259,861,361.70
  5. Step 5: Solve for x
    x = 77,259,861,361.70/318,826.89
  6. Step 6: Final answer
    x = 242,325.42

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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.