Home / 397,237.08-548,363.88-236,144.28

Finding the Fourth Proportional to 397,237.08, 548,363.88 and 236,144.28

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Solution

The fourth proportional to 397,237.08, 548,363.88 and 236,144.28 is: 325,984.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,237.08 : 548,363.88 = 236,144.28 : x
  2. Step 2: Convert to fraction form
    397,237.08/548,363.88 = 236,144.28/x
  3. Step 3: Cross multiply
    397,237.08x = 548,363.88 × 236,144.28
  4. Step 4: Simplify right side
    397,237.08x = 129,492,993,620.61
  5. Step 5: Solve for x
    x = 129,492,993,620.61/397,237.08
  6. Step 6: Final answer
    x = 325,984.15

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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.