Home / 328,920.48-453,917.73-193,052.43

Finding the Fourth Proportional to 328,920.48, 453,917.73 and 193,052.43

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Solution

The fourth proportional to 328,920.48, 453,917.73 and 193,052.43 is: 266,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,920.48 : 453,917.73 = 193,052.43 : x
  2. Step 2: Convert to fraction form
    328,920.48/453,917.73 = 193,052.43/x
  3. Step 3: Cross multiply
    328,920.48x = 453,917.73 × 193,052.43
  4. Step 4: Simplify right side
    328,920.48x = 87,629,920,796.58
  5. Step 5: Solve for x
    x = 87,629,920,796.58/328,920.48
  6. Step 6: Final answer
    x = 266,416.74

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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.