Home / 236,092.66-325,807.90-128,662.72

Finding the Fourth Proportional to 236,092.66, 325,807.90 and 128,662.72

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Solution

The fourth proportional to 236,092.66, 325,807.90 and 128,662.72 is: 177,554.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,092.66 : 325,807.90 = 128,662.72 : x
  2. Step 2: Convert to fraction form
    236,092.66/325,807.90 = 128,662.72/x
  3. Step 3: Cross multiply
    236,092.66x = 325,807.90 × 128,662.72
  4. Step 4: Simplify right side
    236,092.66x = 41,919,330,611.49
  5. Step 5: Solve for x
    x = 41,919,330,611.49/236,092.66
  6. Step 6: Final answer
    x = 177,554.57

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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.