Home / 397,143.17-548,137.34-235,967.25

Finding the Fourth Proportional to 397,143.17, 548,137.34 and 235,967.25

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Solution

The fourth proportional to 397,143.17, 548,137.34 and 235,967.25 is: 325,682.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,143.17 : 548,137.34 = 235,967.25 : x
  2. Step 2: Convert to fraction form
    397,143.17/548,137.34 = 235,967.25/x
  3. Step 3: Cross multiply
    397,143.17x = 548,137.34 × 235,967.25
  4. Step 4: Simplify right side
    397,143.17x = 129,342,458,391.64
  5. Step 5: Solve for x
    x = 129,342,458,391.64/397,143.17
  6. Step 6: Final answer
    x = 325,682.19

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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.