Home / 165,338.61-247,930.14-115,475.01

Finding the Fourth Proportional to 165,338.61, 247,930.14 and 115,475.01

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Solution

The fourth proportional to 165,338.61, 247,930.14 and 115,475.01 is: 173,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,338.61 : 247,930.14 = 115,475.01 : x
  2. Step 2: Convert to fraction form
    165,338.61/247,930.14 = 115,475.01/x
  3. Step 3: Cross multiply
    165,338.61x = 247,930.14 × 115,475.01
  4. Step 4: Simplify right side
    165,338.61x = 28,629,735,395.80
  5. Step 5: Solve for x
    x = 28,629,735,395.80/165,338.61
  6. Step 6: Final answer
    x = 173,158.20

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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.