Home / 139,656.03-209,112.26-95,369.28

Finding the Fourth Proportional to 139,656.03, 209,112.26 and 95,369.28

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Solution

The fourth proportional to 139,656.03, 209,112.26 and 95,369.28 is: 142,800.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,656.03 : 209,112.26 = 95,369.28 : x
  2. Step 2: Convert to fraction form
    139,656.03/209,112.26 = 95,369.28/x
  3. Step 3: Cross multiply
    139,656.03x = 209,112.26 × 95,369.28
  4. Step 4: Simplify right side
    139,656.03x = 19,942,885,198.53
  5. Step 5: Solve for x
    x = 19,942,885,198.53/139,656.03
  6. Step 6: Final answer
    x = 142,800.03

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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.