Home / 196,534.63-271,218.69-111,656.35

Finding the Fourth Proportional to 196,534.63, 271,218.69 and 111,656.35

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Solution

The fourth proportional to 196,534.63, 271,218.69 and 111,656.35 is: 154,086.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,534.63 : 271,218.69 = 111,656.35 : x
  2. Step 2: Convert to fraction form
    196,534.63/271,218.69 = 111,656.35/x
  3. Step 3: Cross multiply
    196,534.63x = 271,218.69 × 111,656.35
  4. Step 4: Simplify right side
    196,534.63x = 30,283,288,977.18
  5. Step 5: Solve for x
    x = 30,283,288,977.18/196,534.63
  6. Step 6: Final answer
    x = 154,086.27

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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.