Home / 236,648.36-326,326.04-155,972.56

Finding the Fourth Proportional to 236,648.36, 326,326.04 and 155,972.56

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Solution

The fourth proportional to 236,648.36, 326,326.04 and 155,972.56 is: 215,078.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,648.36 : 326,326.04 = 155,972.56 : x
  2. Step 2: Convert to fraction form
    236,648.36/326,326.04 = 155,972.56/x
  3. Step 3: Cross multiply
    236,648.36x = 326,326.04 × 155,972.56
  4. Step 4: Simplify right side
    236,648.36x = 50,897,907,853.46
  5. Step 5: Solve for x
    x = 50,897,907,853.46/236,648.36
  6. Step 6: Final answer
    x = 215,078.22

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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.