Home / 263,051.30-363,014.28-155,618.57

Finding the Fourth Proportional to 263,051.30, 363,014.28 and 155,618.57

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Solution

The fourth proportional to 263,051.30, 363,014.28 and 155,618.57 is: 214,755.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,051.30 : 363,014.28 = 155,618.57 : x
  2. Step 2: Convert to fraction form
    263,051.30/363,014.28 = 155,618.57/x
  3. Step 3: Cross multiply
    263,051.30x = 363,014.28 × 155,618.57
  4. Step 4: Simplify right side
    263,051.30x = 56,491,763,143.18
  5. Step 5: Solve for x
    x = 56,491,763,143.18/263,051.30
  6. Step 6: Final answer
    x = 214,755.69

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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.