Home / 263,142.73-363,136.43-148,421.02

Finding the Fourth Proportional to 263,142.73, 363,136.43 and 148,421.02

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Solution

The fourth proportional to 263,142.73, 363,136.43 and 148,421.02 is: 204,820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,142.73 : 363,136.43 = 148,421.02 : x
  2. Step 2: Convert to fraction form
    263,142.73/363,136.43 = 148,421.02/x
  3. Step 3: Cross multiply
    263,142.73x = 363,136.43 × 148,421.02
  4. Step 4: Simplify right side
    263,142.73x = 53,897,079,339.76
  5. Step 5: Solve for x
    x = 53,897,079,339.76/263,142.73
  6. Step 6: Final answer
    x = 204,820.70

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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.