Home / 395,568.08-545,886.58-214,280.03

Finding the Fourth Proportional to 395,568.08, 545,886.58 and 214,280.03

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Solution

The fourth proportional to 395,568.08, 545,886.58 and 214,280.03 is: 295,707.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,568.08 : 545,886.58 = 214,280.03 : x
  2. Step 2: Convert to fraction form
    395,568.08/545,886.58 = 214,280.03/x
  3. Step 3: Cross multiply
    395,568.08x = 545,886.58 × 214,280.03
  4. Step 4: Simplify right side
    395,568.08x = 116,972,589,473.86
  5. Step 5: Solve for x
    x = 116,972,589,473.86/395,568.08
  6. Step 6: Final answer
    x = 295,707.86

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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.