Home / 126,075.78-174,055.77-83,692.26

Finding the Fourth Proportional to 126,075.78, 174,055.77 and 83,692.26

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Solution

The fourth proportional to 126,075.78, 174,055.77 and 83,692.26 is: 115,542.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,075.78 : 174,055.77 = 83,692.26 : x
  2. Step 2: Convert to fraction form
    126,075.78/174,055.77 = 83,692.26/x
  3. Step 3: Cross multiply
    126,075.78x = 174,055.77 × 83,692.26
  4. Step 4: Simplify right side
    126,075.78x = 14,567,120,757.34
  5. Step 5: Solve for x
    x = 14,567,120,757.34/126,075.78
  6. Step 6: Final answer
    x = 115,542.58

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1.5x scale

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.