Home / 129,236.12-193,854.29-40,496.54

Finding the Fourth Proportional to 129,236.12, 193,854.29 and 40,496.54

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Solution

The fourth proportional to 129,236.12, 193,854.29 and 40,496.54 is: 60,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,236.12 : 193,854.29 = 40,496.54 : x
  2. Step 2: Convert to fraction form
    129,236.12/193,854.29 = 40,496.54/x
  3. Step 3: Cross multiply
    129,236.12x = 193,854.29 × 40,496.54
  4. Step 4: Simplify right side
    129,236.12x = 7,850,428,009.16
  5. Step 5: Solve for x
    x = 7,850,428,009.16/129,236.12
  6. Step 6: Final answer
    x = 60,744.84

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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.