Home / 386,087.23-532,820.19-214,023.52

Finding the Fourth Proportional to 386,087.23, 532,820.19 and 214,023.52

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Solution

The fourth proportional to 386,087.23, 532,820.19 and 214,023.52 is: 295,363.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,087.23 : 532,820.19 = 214,023.52 : x
  2. Step 2: Convert to fraction form
    386,087.23/532,820.19 = 214,023.52/x
  3. Step 3: Cross multiply
    386,087.23x = 532,820.19 × 214,023.52
  4. Step 4: Simplify right side
    386,087.23x = 114,036,052,590.87
  5. Step 5: Solve for x
    x = 114,036,052,590.87/386,087.23
  6. Step 6: Final answer
    x = 295,363.44

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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.