Home / 397,220.43-548,175.54-242,180.67

Finding the Fourth Proportional to 397,220.43, 548,175.54 and 242,180.67

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Solution

The fourth proportional to 397,220.43, 548,175.54 and 242,180.67 is: 334,216.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,220.43 : 548,175.54 = 242,180.67 : x
  2. Step 2: Convert to fraction form
    397,220.43/548,175.54 = 242,180.67/x
  3. Step 3: Cross multiply
    397,220.43x = 548,175.54 × 242,180.67
  4. Step 4: Simplify right side
    397,220.43x = 132,757,519,554.81
  5. Step 5: Solve for x
    x = 132,757,519,554.81/397,220.43
  6. Step 6: Final answer
    x = 334,216.24

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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.