Home / 135,317.50-202,977.09-35,476.80

Finding the Fourth Proportional to 135,317.50, 202,977.09 and 35,476.80

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Solution

The fourth proportional to 135,317.50, 202,977.09 and 35,476.80 is: 53,215.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,317.50 : 202,977.09 = 35,476.80 : x
  2. Step 2: Convert to fraction form
    135,317.50/202,977.09 = 35,476.80/x
  3. Step 3: Cross multiply
    135,317.50x = 202,977.09 × 35,476.80
  4. Step 4: Simplify right side
    135,317.50x = 7,200,977,626.51
  5. Step 5: Solve for x
    x = 7,200,977,626.51/135,317.50
  6. Step 6: Final answer
    x = 53,215.42

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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.