Home / 129,865.88-194,827.98-41,112.56

Finding the Fourth Proportional to 129,865.88, 194,827.98 and 41,112.56

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Solution

The fourth proportional to 129,865.88, 194,827.98 and 41,112.56 is: 61,678.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,865.88 : 194,827.98 = 41,112.56 : x
  2. Step 2: Convert to fraction form
    129,865.88/194,827.98 = 41,112.56/x
  3. Step 3: Cross multiply
    129,865.88x = 194,827.98 × 41,112.56
  4. Step 4: Simplify right side
    129,865.88x = 8,009,877,017.43
  5. Step 5: Solve for x
    x = 8,009,877,017.43/129,865.88
  6. Step 6: Final answer
    x = 61,678.07

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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.