Home / 196,698.48-271,444.80-111,833.28

Finding the Fourth Proportional to 196,698.48, 271,444.80 and 111,833.28

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Solution

The fourth proportional to 196,698.48, 271,444.80 and 111,833.28 is: 154,330.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,698.48 : 271,444.80 = 111,833.28 : x
  2. Step 2: Convert to fraction form
    196,698.48/271,444.80 = 111,833.28/x
  3. Step 3: Cross multiply
    196,698.48x = 271,444.80 × 111,833.28
  4. Step 4: Simplify right side
    196,698.48x = 30,356,562,322.94
  5. Step 5: Solve for x
    x = 30,356,562,322.94/196,698.48
  6. Step 6: Final answer
    x = 154,330.44

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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.