Home / 196,487.31-271,153.40-111,609.03

Finding the Fourth Proportional to 196,487.31, 271,153.40 and 111,609.03

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Solution

The fourth proportional to 196,487.31, 271,153.40 and 111,609.03 is: 154,020.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,487.31 : 271,153.40 = 111,609.03 : x
  2. Step 2: Convert to fraction form
    196,487.31/271,153.40 = 111,609.03/x
  3. Step 3: Cross multiply
    196,487.31x = 271,153.40 × 111,609.03
  4. Step 4: Simplify right side
    196,487.31x = 30,263,167,397.16
  5. Step 5: Solve for x
    x = 30,263,167,397.16/196,487.31
  6. Step 6: Final answer
    x = 154,020.98

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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.