Home / 140,379.04-193,696.32-83,795.68

Finding the Fourth Proportional to 140,379.04, 193,696.32 and 83,795.68

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Solution

The fourth proportional to 140,379.04, 193,696.32 and 83,795.68 is: 115,622.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,379.04 : 193,696.32 = 83,795.68 : x
  2. Step 2: Convert to fraction form
    140,379.04/193,696.32 = 83,795.68/x
  3. Step 3: Cross multiply
    140,379.04x = 193,696.32 × 83,795.68
  4. Step 4: Simplify right side
    140,379.04x = 16,230,914,847.90
  5. Step 5: Solve for x
    x = 16,230,914,847.90/140,379.04
  6. Step 6: Final answer
    x = 115,622.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.