Home / 222,837.81-307,537.19-127,325.98

Finding the Fourth Proportional to 222,837.81, 307,537.19 and 127,325.98

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Solution

The fourth proportional to 222,837.81, 307,537.19 and 127,325.98 is: 175,721.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,837.81 : 307,537.19 = 127,325.98 : x
  2. Step 2: Convert to fraction form
    222,837.81/307,537.19 = 127,325.98/x
  3. Step 3: Cross multiply
    222,837.81x = 307,537.19 × 127,325.98
  4. Step 4: Simplify right side
    222,837.81x = 39,157,474,103.20
  5. Step 5: Solve for x
    x = 39,157,474,103.20/222,837.81
  6. Step 6: Final answer
    x = 175,721.86

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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.