Home / 238,542.20-329,181.28-136,564.28

Finding the Fourth Proportional to 238,542.20, 329,181.28 and 136,564.28

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Solution

The fourth proportional to 238,542.20, 329,181.28 and 136,564.28 is: 188,454.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,542.20 : 329,181.28 = 136,564.28 : x
  2. Step 2: Convert to fraction form
    238,542.20/329,181.28 = 136,564.28/x
  3. Step 3: Cross multiply
    238,542.20x = 329,181.28 × 136,564.28
  4. Step 4: Simplify right side
    238,542.20x = 44,954,404,492.68
  5. Step 5: Solve for x
    x = 44,954,404,492.68/238,542.20
  6. Step 6: Final answer
    x = 188,454.72

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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.