Home / 165,395.12-228,147.91-104,043.56

Finding the Fourth Proportional to 165,395.12, 228,147.91 and 104,043.56

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Solution

The fourth proportional to 165,395.12, 228,147.91 and 104,043.56 is: 143,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,395.12 : 228,147.91 = 104,043.56 : x
  2. Step 2: Convert to fraction form
    165,395.12/228,147.91 = 104,043.56/x
  3. Step 3: Cross multiply
    165,395.12x = 228,147.91 × 104,043.56
  4. Step 4: Simplify right side
    165,395.12x = 23,737,319,362.11
  5. Step 5: Solve for x
    x = 23,737,319,362.11/165,395.12
  6. Step 6: Final answer
    x = 143,518.87

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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.