Home / 143,177.18-214,804.68-49,690.22

Finding the Fourth Proportional to 143,177.18, 214,804.68 and 49,690.22

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Solution

The fourth proportional to 143,177.18, 214,804.68 and 49,690.22 is: 74,548.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,177.18 : 214,804.68 = 49,690.22 : x
  2. Step 2: Convert to fraction form
    143,177.18/214,804.68 = 49,690.22/x
  3. Step 3: Cross multiply
    143,177.18x = 214,804.68 × 49,690.22
  4. Step 4: Simplify right side
    143,177.18x = 10,673,691,806.23
  5. Step 5: Solve for x
    x = 10,673,691,806.23/143,177.18
  6. Step 6: Final answer
    x = 74,548.83

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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.