Home / 165,238.51-228,028.35-93,618.39

Finding the Fourth Proportional to 165,238.51, 228,028.35 and 93,618.39

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Solution

The fourth proportional to 165,238.51, 228,028.35 and 93,618.39 is: 129,192.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,238.51 : 228,028.35 = 93,618.39 : x
  2. Step 2: Convert to fraction form
    165,238.51/228,028.35 = 93,618.39/x
  3. Step 3: Cross multiply
    165,238.51x = 228,028.35 × 93,618.39
  4. Step 4: Simplify right side
    165,238.51x = 21,347,647,001.36
  5. Step 5: Solve for x
    x = 21,347,647,001.36/165,238.51
  6. Step 6: Final answer
    x = 129,192.93

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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.