Home / 129,619.47-195,129.46-116,584.62

Finding the Fourth Proportional to 129,619.47, 195,129.46 and 116,584.62

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Solution

The fourth proportional to 129,619.47, 195,129.46 and 116,584.62 is: 175,506.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,619.47 : 195,129.46 = 116,584.62 : x
  2. Step 2: Convert to fraction form
    129,619.47/195,129.46 = 116,584.62/x
  3. Step 3: Cross multiply
    129,619.47x = 195,129.46 × 116,584.62
  4. Step 4: Simplify right side
    129,619.47x = 22,749,093,944.91
  5. Step 5: Solve for x
    x = 22,749,093,944.91/129,619.47
  6. Step 6: Final answer
    x = 175,506.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.