Home / 236,208.78-354,103.38-92,081.40

Finding the Fourth Proportional to 236,208.78, 354,103.38 and 92,081.40

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Solution

The fourth proportional to 236,208.78, 354,103.38 and 92,081.40 is: 138,040.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,208.78 : 354,103.38 = 92,081.40 : x
  2. Step 2: Convert to fraction form
    236,208.78/354,103.38 = 92,081.40/x
  3. Step 3: Cross multiply
    236,208.78x = 354,103.38 × 92,081.40
  4. Step 4: Simplify right side
    236,208.78x = 32,606,334,975.13
  5. Step 5: Solve for x
    x = 32,606,334,975.13/236,208.78
  6. Step 6: Final answer
    x = 138,040.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.