Home / 165,629.52-228,339.06-111,829.32

Finding the Fourth Proportional to 165,629.52, 228,339.06 and 111,829.32

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Solution

The fourth proportional to 165,629.52, 228,339.06 and 111,829.32 is: 154,169.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,629.52 : 228,339.06 = 111,829.32 : x
  2. Step 2: Convert to fraction form
    165,629.52/228,339.06 = 111,829.32/x
  3. Step 3: Cross multiply
    165,629.52x = 228,339.06 × 111,829.32
  4. Step 4: Simplify right side
    165,629.52x = 25,535,001,809.24
  5. Step 5: Solve for x
    x = 25,535,001,809.24/165,629.52
  6. Step 6: Final answer
    x = 154,169.39

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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.