Home / 389,974.23-584,587.66-165,025.22

Finding the Fourth Proportional to 389,974.23, 584,587.66 and 165,025.22

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Solution

The fourth proportional to 389,974.23, 584,587.66 and 165,025.22 is: 247,379.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,974.23 : 584,587.66 = 165,025.22 : x
  2. Step 2: Convert to fraction form
    389,974.23/584,587.66 = 165,025.22/x
  3. Step 3: Cross multiply
    389,974.23x = 584,587.66 × 165,025.22
  4. Step 4: Simplify right side
    389,974.23x = 96,471,703,452.72
  5. Step 5: Solve for x
    x = 96,471,703,452.72/389,974.23
  6. Step 6: Final answer
    x = 247,379.69

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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.