Home / 140,911.67-194,460.62-76,383.02

Finding the Fourth Proportional to 140,911.67, 194,460.62 and 76,383.02

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Solution

The fourth proportional to 140,911.67, 194,460.62 and 76,383.02 is: 105,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,911.67 : 194,460.62 = 76,383.02 : x
  2. Step 2: Convert to fraction form
    140,911.67/194,460.62 = 76,383.02/x
  3. Step 3: Cross multiply
    140,911.67x = 194,460.62 × 76,383.02
  4. Step 4: Simplify right side
    140,911.67x = 14,853,489,044.76
  5. Step 5: Solve for x
    x = 14,853,489,044.76/140,911.67
  6. Step 6: Final answer
    x = 105,409.93

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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.