Home / 136,645.50-205,074.09-94,819.26

Finding the Fourth Proportional to 136,645.50, 205,074.09 and 94,819.26

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Solution

The fourth proportional to 136,645.50, 205,074.09 and 94,819.26 is: 142,302.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,645.50 : 205,074.09 = 94,819.26 : x
  2. Step 2: Convert to fraction form
    136,645.50/205,074.09 = 94,819.26/x
  3. Step 3: Cross multiply
    136,645.50x = 205,074.09 × 94,819.26
  4. Step 4: Simplify right side
    136,645.50x = 19,444,973,458.97
  5. Step 5: Solve for x
    x = 19,444,973,458.97/136,645.50
  6. Step 6: Final answer
    x = 142,302.33

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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.