Home / 126,193.40-189,059.70-102,692.60

Finding the Fourth Proportional to 126,193.40, 189,059.70 and 102,692.60

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Solution

The fourth proportional to 126,193.40, 189,059.70 and 102,692.60 is: 153,851.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,193.40 : 189,059.70 = 102,692.60 : x
  2. Step 2: Convert to fraction form
    126,193.40/189,059.70 = 102,692.60/x
  3. Step 3: Cross multiply
    126,193.40x = 189,059.70 × 102,692.60
  4. Step 4: Simplify right side
    126,193.40x = 19,415,032,148.22
  5. Step 5: Solve for x
    x = 19,415,032,148.22/126,193.40
  6. Step 6: Final answer
    x = 153,851.41

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1.5x scale

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.