Home / 168,999.20-253,498.80-102,514.40

Finding the Fourth Proportional to 168,999.20, 253,498.80 and 102,514.40

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Solution

The fourth proportional to 168,999.20, 253,498.80 and 102,514.40 is: 153,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,999.20 : 253,498.80 = 102,514.40 : x
  2. Step 2: Convert to fraction form
    168,999.20/253,498.80 = 102,514.40/x
  3. Step 3: Cross multiply
    168,999.20x = 253,498.80 × 102,514.40
  4. Step 4: Simplify right side
    168,999.20x = 25,987,277,382.72
  5. Step 5: Solve for x
    x = 25,987,277,382.72/168,999.20
  6. Step 6: Final answer
    x = 153,771.60

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1.5x scale

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.