Home / 123,014.40-184,202.38-105,358.55

Finding the Fourth Proportional to 123,014.40, 184,202.38 and 105,358.55

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Solution

The fourth proportional to 123,014.40, 184,202.38 and 105,358.55 is: 157,764.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,014.40 : 184,202.38 = 105,358.55 : x
  2. Step 2: Convert to fraction form
    123,014.40/184,202.38 = 105,358.55/x
  3. Step 3: Cross multiply
    123,014.40x = 184,202.38 × 105,358.55
  4. Step 4: Simplify right side
    123,014.40x = 19,407,295,095.78
  5. Step 5: Solve for x
    x = 19,407,295,095.78/123,014.40
  6. Step 6: Final answer
    x = 157,764.42

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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.