Home / 397,144.17-548,138.72-235,968.25

Finding the Fourth Proportional to 397,144.17, 548,138.72 and 235,968.25

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Solution

The fourth proportional to 397,144.17, 548,138.72 and 235,968.25 is: 325,683.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,144.17 : 548,138.72 = 235,968.25 : x
  2. Step 2: Convert to fraction form
    397,144.17/548,138.72 = 235,968.25/x
  3. Step 3: Cross multiply
    397,144.17x = 548,138.72 × 235,968.25
  4. Step 4: Simplify right side
    397,144.17x = 129,343,334,515.64
  5. Step 5: Solve for x
    x = 129,343,334,515.64/397,144.17
  6. Step 6: Final answer
    x = 325,683.58

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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.