Home / 126,692.10-190,051.41-51,800.31

Finding the Fourth Proportional to 126,692.10, 190,051.41 and 51,800.31

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Solution

The fourth proportional to 126,692.10, 190,051.41 and 51,800.31 is: 77,705.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,692.10 : 190,051.41 = 51,800.31 : x
  2. Step 2: Convert to fraction form
    126,692.10/190,051.41 = 51,800.31/x
  3. Step 3: Cross multiply
    126,692.10x = 190,051.41 × 51,800.31
  4. Step 4: Simplify right side
    126,692.10x = 9,844,722,148.19
  5. Step 5: Solve for x
    x = 9,844,722,148.19/126,692.10
  6. Step 6: Final answer
    x = 77,705.89

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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.