Home / 251,770.39-347,447.56-137,052.33

Finding the Fourth Proportional to 251,770.39, 347,447.56 and 137,052.33

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Solution

The fourth proportional to 251,770.39, 347,447.56 and 137,052.33 is: 189,134.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,770.39 : 347,447.56 = 137,052.33 : x
  2. Step 2: Convert to fraction form
    251,770.39/347,447.56 = 137,052.33/x
  3. Step 3: Cross multiply
    251,770.39x = 347,447.56 × 137,052.33
  4. Step 4: Simplify right side
    251,770.39x = 47,618,495,913.58
  5. Step 5: Solve for x
    x = 47,618,495,913.58/251,770.39
  6. Step 6: Final answer
    x = 189,134.62

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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.