Home / 125,169.17-187,893.86-83,131.34

Finding the Fourth Proportional to 125,169.17, 187,893.86 and 83,131.34

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Solution

The fourth proportional to 125,169.17, 187,893.86 and 83,131.34 is: 124,790.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,169.17 : 187,893.86 = 83,131.34 : x
  2. Step 2: Convert to fraction form
    125,169.17/187,893.86 = 83,131.34/x
  3. Step 3: Cross multiply
    125,169.17x = 187,893.86 × 83,131.34
  4. Step 4: Simplify right side
    125,169.17x = 15,619,867,004.45
  5. Step 5: Solve for x
    x = 15,619,867,004.45/125,169.17
  6. Step 6: Final answer
    x = 124,790.06

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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.