Home / 130,355.94-195,861.46-82,992.18

Finding the Fourth Proportional to 130,355.94, 195,861.46 and 82,992.18

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Solution

The fourth proportional to 130,355.94, 195,861.46 and 82,992.18 is: 124,696.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,355.94 : 195,861.46 = 82,992.18 : x
  2. Step 2: Convert to fraction form
    130,355.94/195,861.46 = 82,992.18/x
  3. Step 3: Cross multiply
    130,355.94x = 195,861.46 × 82,992.18
  4. Step 4: Simplify right side
    130,355.94x = 16,254,969,543.38
  5. Step 5: Solve for x
    x = 16,254,969,543.38/130,355.94
  6. Step 6: Final answer
    x = 124,696.81

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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.