Home / 196,641.48-271,365.32-111,756.36

Finding the Fourth Proportional to 196,641.48, 271,365.32 and 111,756.36

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Solution

The fourth proportional to 196,641.48, 271,365.32 and 111,756.36 is: 154,223.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,641.48 : 271,365.32 = 111,756.36 : x
  2. Step 2: Convert to fraction form
    196,641.48/271,365.32 = 111,756.36/x
  3. Step 3: Cross multiply
    196,641.48x = 271,365.32 × 111,756.36
  4. Step 4: Simplify right side
    196,641.48x = 30,326,800,393.44
  5. Step 5: Solve for x
    x = 30,326,800,393.44/196,641.48
  6. Step 6: Final answer
    x = 154,223.82

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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.