Home / 165,074.48-228,016.46-136,509.52

Finding the Fourth Proportional to 165,074.48, 228,016.46 and 136,509.52

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Solution

The fourth proportional to 165,074.48, 228,016.46 and 136,509.52 is: 188,559.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,074.48 : 228,016.46 = 136,509.52 : x
  2. Step 2: Convert to fraction form
    165,074.48/228,016.46 = 136,509.52/x
  3. Step 3: Cross multiply
    165,074.48x = 228,016.46 × 136,509.52
  4. Step 4: Simplify right side
    165,074.48x = 31,126,417,506.70
  5. Step 5: Solve for x
    x = 31,126,417,506.70/165,074.48
  6. Step 6: Final answer
    x = 188,559.84

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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.