Home / 168,780.53-233,018.17-105,204.44

Finding the Fourth Proportional to 168,780.53, 233,018.17 and 105,204.44

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Solution

The fourth proportional to 168,780.53, 233,018.17 and 105,204.44 is: 145,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,780.53 : 233,018.17 = 105,204.44 : x
  2. Step 2: Convert to fraction form
    168,780.53/233,018.17 = 105,204.44/x
  3. Step 3: Cross multiply
    168,780.53x = 233,018.17 × 105,204.44
  4. Step 4: Simplify right side
    168,780.53x = 24,514,544,656.57
  5. Step 5: Solve for x
    x = 24,514,544,656.57/168,780.53
  6. Step 6: Final answer
    x = 145,245.10

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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.