Home / 139,930.26-193,131.32-97,464.18

Finding the Fourth Proportional to 139,930.26, 193,131.32 and 97,464.18

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Solution

The fourth proportional to 139,930.26, 193,131.32 and 97,464.18 is: 134,519.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,930.26 : 193,131.32 = 97,464.18 : x
  2. Step 2: Convert to fraction form
    139,930.26/193,131.32 = 97,464.18/x
  3. Step 3: Cross multiply
    139,930.26x = 193,131.32 × 97,464.18
  4. Step 4: Simplify right side
    139,930.26x = 18,823,385,736.12
  5. Step 5: Solve for x
    x = 18,823,385,736.12/139,930.26
  6. Step 6: Final answer
    x = 134,519.77

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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.