Home / 129,787.84-194,680.54-41,041.40

Finding the Fourth Proportional to 129,787.84, 194,680.54 and 41,041.40

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Solution

The fourth proportional to 129,787.84, 194,680.54 and 41,041.40 is: 61,561.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,787.84 : 194,680.54 = 41,041.40 : x
  2. Step 2: Convert to fraction form
    129,787.84/194,680.54 = 41,041.40/x
  3. Step 3: Cross multiply
    129,787.84x = 194,680.54 × 41,041.40
  4. Step 4: Simplify right side
    129,787.84x = 7,989,961,914.36
  5. Step 5: Solve for x
    x = 7,989,961,914.36/129,787.84
  6. Step 6: Final answer
    x = 61,561.71

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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.