Home / 252,116.13-347,920.32-137,394.81

Finding the Fourth Proportional to 252,116.13, 347,920.32 and 137,394.81

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Solution

The fourth proportional to 252,116.13, 347,920.32 and 137,394.81 is: 189,604.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,116.13 : 347,920.32 = 137,394.81 : x
  2. Step 2: Convert to fraction form
    252,116.13/347,920.32 = 137,394.81/x
  3. Step 3: Cross multiply
    252,116.13x = 347,920.32 × 137,394.81
  4. Step 4: Simplify right side
    252,116.13x = 47,802,446,261.54
  5. Step 5: Solve for x
    x = 47,802,446,261.54/252,116.13
  6. Step 6: Final answer
    x = 189,604.87

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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.