Home / 245,999.19-339,468.39-137,097.73

Finding the Fourth Proportional to 245,999.19, 339,468.39 and 137,097.73

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Solution

The fourth proportional to 245,999.19, 339,468.39 and 137,097.73 is: 189,189.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,999.19 : 339,468.39 = 137,097.73 : x
  2. Step 2: Convert to fraction form
    245,999.19/339,468.39 = 137,097.73/x
  3. Step 3: Cross multiply
    245,999.19x = 339,468.39 × 137,097.73
  4. Step 4: Simplify right side
    245,999.19x = 46,540,346,100.09
  5. Step 5: Solve for x
    x = 46,540,346,100.09/245,999.19
  6. Step 6: Final answer
    x = 189,189.02

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1.5x scale

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.