Home / 136,158.35-187,871.63-82,448.37

Finding the Fourth Proportional to 136,158.35, 187,871.63 and 82,448.37

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Solution

The fourth proportional to 136,158.35, 187,871.63 and 82,448.37 is: 113,762.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,158.35 : 187,871.63 = 82,448.37 : x
  2. Step 2: Convert to fraction form
    136,158.35/187,871.63 = 82,448.37/x
  3. Step 3: Cross multiply
    136,158.35x = 187,871.63 × 82,448.37
  4. Step 4: Simplify right side
    136,158.35x = 15,489,709,250.50
  5. Step 5: Solve for x
    x = 15,489,709,250.50/136,158.35
  6. Step 6: Final answer
    x = 113,762.47

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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.