Home / 129,787.86-194,680.56-41,041.38

Finding the Fourth Proportional to 129,787.86, 194,680.56 and 41,041.38

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Solution

The fourth proportional to 129,787.86, 194,680.56 and 41,041.38 is: 61,561.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,787.86 : 194,680.56 = 41,041.38 : x
  2. Step 2: Convert to fraction form
    129,787.86/194,680.56 = 41,041.38/x
  3. Step 3: Cross multiply
    129,787.86x = 194,680.56 × 41,041.38
  4. Step 4: Simplify right side
    129,787.86x = 7,989,958,841.57
  5. Step 5: Solve for x
    x = 7,989,958,841.57/129,787.86
  6. Step 6: Final answer
    x = 61,561.68

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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.