Home / 129,441.74-194,173.83-39,504.71

Finding the Fourth Proportional to 129,441.74, 194,173.83 and 39,504.71

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Solution

The fourth proportional to 129,441.74, 194,173.83 and 39,504.71 is: 59,260.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,441.74 : 194,173.83 = 39,504.71 : x
  2. Step 2: Convert to fraction form
    129,441.74/194,173.83 = 39,504.71/x
  3. Step 3: Cross multiply
    129,441.74x = 194,173.83 × 39,504.71
  4. Step 4: Simplify right side
    129,441.74x = 7,670,781,329.17
  5. Step 5: Solve for x
    x = 7,670,781,329.17/129,441.74
  6. Step 6: Final answer
    x = 59,260.50

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1.5x scale

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.