Home / 252,570.62-378,927-110,428.38

Finding the Fourth Proportional to 252,570.62, 378,927 and 110,428.38

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Solution

The fourth proportional to 252,570.62, 378,927 and 110,428.38 is: 165,673.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,570.62 : 378,927 = 110,428.38 : x
  2. Step 2: Convert to fraction form
    252,570.62/378,927 = 110,428.38/x
  3. Step 3: Cross multiply
    252,570.62x = 378,927 × 110,428.38
  4. Step 4: Simplify right side
    252,570.62x = 41,844,294,748.26
  5. Step 5: Solve for x
    x = 41,844,294,748.26/252,570.62
  6. Step 6: Final answer
    x = 165,673.64

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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.