Home / 236,865.01-326,647.79-155,071.21

Finding the Fourth Proportional to 236,865.01, 326,647.79 and 155,071.21

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Solution

The fourth proportional to 236,865.01, 326,647.79 and 155,071.21 is: 213,850.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,865.01 : 326,647.79 = 155,071.21 : x
  2. Step 2: Convert to fraction form
    236,865.01/326,647.79 = 155,071.21/x
  3. Step 3: Cross multiply
    236,865.01x = 326,647.79 × 155,071.21
  4. Step 4: Simplify right side
    236,865.01x = 50,653,667,610.18
  5. Step 5: Solve for x
    x = 50,653,667,610.18/236,865.01
  6. Step 6: Final answer
    x = 213,850.36

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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.