Home / 168,564.20-253,010.10-131,527.40

Finding the Fourth Proportional to 168,564.20, 253,010.10 and 131,527.40

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Solution

The fourth proportional to 168,564.20, 253,010.10 and 131,527.40 is: 197,418.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,564.20 : 253,010.10 = 131,527.40 : x
  2. Step 2: Convert to fraction form
    168,564.20/253,010.10 = 131,527.40/x
  3. Step 3: Cross multiply
    168,564.20x = 253,010.10 × 131,527.40
  4. Step 4: Simplify right side
    168,564.20x = 33,277,760,626.74
  5. Step 5: Solve for x
    x = 33,277,760,626.74/168,564.20
  6. Step 6: Final answer
    x = 197,418.91

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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.