Home / 140,494.48-193,895.31-83,904.64

Finding the Fourth Proportional to 140,494.48, 193,895.31 and 83,904.64

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Solution

The fourth proportional to 140,494.48, 193,895.31 and 83,904.64 is: 115,796.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,494.48 : 193,895.31 = 83,904.64 : x
  2. Step 2: Convert to fraction form
    140,494.48/193,895.31 = 83,904.64/x
  3. Step 3: Cross multiply
    140,494.48x = 193,895.31 × 83,904.64
  4. Step 4: Simplify right side
    140,494.48x = 16,268,716,183.24
  5. Step 5: Solve for x
    x = 16,268,716,183.24/140,494.48
  6. Step 6: Final answer
    x = 115,796.12

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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.