Home / 307,394.13-461,074.41-117,945.39

Finding the Fourth Proportional to 307,394.13, 461,074.41 and 117,945.39

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Solution

The fourth proportional to 307,394.13, 461,074.41 and 117,945.39 is: 176,911.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,394.13 : 461,074.41 = 117,945.39 : x
  2. Step 2: Convert to fraction form
    307,394.13/461,074.41 = 117,945.39/x
  3. Step 3: Cross multiply
    307,394.13x = 461,074.41 × 117,945.39
  4. Step 4: Simplify right side
    307,394.13x = 54,381,601,106.47
  5. Step 5: Solve for x
    x = 54,381,601,106.47/307,394.13
  6. Step 6: Final answer
    x = 176,911.64

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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.