Home / 126,106.85-174,028.62-69,520.25

Finding the Fourth Proportional to 126,106.85, 174,028.62 and 69,520.25

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Solution

The fourth proportional to 126,106.85, 174,028.62 and 69,520.25 is: 95,938.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,106.85 : 174,028.62 = 69,520.25 : x
  2. Step 2: Convert to fraction form
    126,106.85/174,028.62 = 69,520.25/x
  3. Step 3: Cross multiply
    126,106.85x = 174,028.62 × 69,520.25
  4. Step 4: Simplify right side
    126,106.85x = 12,098,512,299.41
  5. Step 5: Solve for x
    x = 12,098,512,299.41/126,106.85
  6. Step 6: Final answer
    x = 95,938.59

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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.