Home / 386,939.01-534,009.37-214,890.15

Finding the Fourth Proportional to 386,939.01, 534,009.37 and 214,890.15

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Solution

The fourth proportional to 386,939.01, 534,009.37 and 214,890.15 is: 296,567.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,939.01 : 534,009.37 = 214,890.15 : x
  2. Step 2: Convert to fraction form
    386,939.01/534,009.37 = 214,890.15/x
  3. Step 3: Cross multiply
    386,939.01x = 534,009.37 × 214,890.15
  4. Step 4: Simplify right side
    386,939.01x = 114,753,353,620.71
  5. Step 5: Solve for x
    x = 114,753,353,620.71/386,939.01
  6. Step 6: Final answer
    x = 296,567.03

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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.