Home / 165,325.27-248,058.11-90,357.83

Finding the Fourth Proportional to 165,325.27, 248,058.11 and 90,357.83

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Solution

The fourth proportional to 165,325.27, 248,058.11 and 90,357.83 is: 135,575.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,325.27 : 248,058.11 = 90,357.83 : x
  2. Step 2: Convert to fraction form
    165,325.27/248,058.11 = 90,357.83/x
  3. Step 3: Cross multiply
    165,325.27x = 248,058.11 × 90,357.83
  4. Step 4: Simplify right side
    165,325.27x = 22,413,992,449.32
  5. Step 5: Solve for x
    x = 22,413,992,449.32/165,325.27
  6. Step 6: Final answer
    x = 135,575.12

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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.