Home / 135,186.22-202,779.78-126,965.37

Finding the Fourth Proportional to 135,186.22, 202,779.78 and 126,965.37

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Solution

The fourth proportional to 135,186.22, 202,779.78 and 126,965.37 is: 190,448.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,186.22 : 202,779.78 = 126,965.37 : x
  2. Step 2: Convert to fraction form
    135,186.22/202,779.78 = 126,965.37/x
  3. Step 3: Cross multiply
    135,186.22x = 202,779.78 × 126,965.37
  4. Step 4: Simplify right side
    135,186.22x = 25,746,010,437.61
  5. Step 5: Solve for x
    x = 25,746,010,437.61/135,186.22
  6. Step 6: Final answer
    x = 190,448.49

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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.