Home / 129,780.60-194,634.45-41,061.30

Finding the Fourth Proportional to 129,780.60, 194,634.45 and 41,061.30

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Solution

The fourth proportional to 129,780.60, 194,634.45 and 41,061.30 is: 61,580.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,780.60 : 194,634.45 = 41,061.30 : x
  2. Step 2: Convert to fraction form
    129,780.60/194,634.45 = 41,061.30/x
  3. Step 3: Cross multiply
    129,780.60x = 194,634.45 × 41,061.30
  4. Step 4: Simplify right side
    129,780.60x = 7,991,943,541.79
  5. Step 5: Solve for x
    x = 7,991,943,541.79/129,780.60
  6. Step 6: Final answer
    x = 61,580.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.