Home / 236,665.09-326,625.82-133,302.66

Finding the Fourth Proportional to 236,665.09, 326,625.82 and 133,302.66

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Solution

The fourth proportional to 236,665.09, 326,625.82 and 133,302.66 is: 183,973.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,665.09 : 326,625.82 = 133,302.66 : x
  2. Step 2: Convert to fraction form
    236,665.09/326,625.82 = 133,302.66/x
  3. Step 3: Cross multiply
    236,665.09x = 326,625.82 × 133,302.66
  4. Step 4: Simplify right side
    236,665.09x = 43,540,090,909.85
  5. Step 5: Solve for x
    x = 43,540,090,909.85/236,665.09
  6. Step 6: Final answer
    x = 183,973.44

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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.