Home / 135,936.06-187,594.73-74,683.03

Finding the Fourth Proportional to 135,936.06, 187,594.73 and 74,683.03

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Solution

The fourth proportional to 135,936.06, 187,594.73 and 74,683.03 is: 103,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,936.06 : 187,594.73 = 74,683.03 : x
  2. Step 2: Convert to fraction form
    135,936.06/187,594.73 = 74,683.03/x
  3. Step 3: Cross multiply
    135,936.06x = 187,594.73 × 74,683.03
  4. Step 4: Simplify right side
    135,936.06x = 14,010,142,848.43
  5. Step 5: Solve for x
    x = 14,010,142,848.43/135,936.06
  6. Step 6: Final answer
    x = 103,064.21

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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.