Home / 397,258.08-548,392.86-236,165.28

Finding the Fourth Proportional to 397,258.08, 548,392.86 and 236,165.28

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Solution

The fourth proportional to 397,258.08, 548,392.86 and 236,165.28 is: 326,013.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,258.08 : 548,392.86 = 236,165.28 : x
  2. Step 2: Convert to fraction form
    397,258.08/548,392.86 = 236,165.28/x
  3. Step 3: Cross multiply
    397,258.08x = 548,392.86 × 236,165.28
  4. Step 4: Simplify right side
    397,258.08x = 129,511,353,331.90
  5. Step 5: Solve for x
    x = 129,511,353,331.90/397,258.08
  6. Step 6: Final answer
    x = 326,013.14

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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.