Home / 126,199.68-174,149.28-69,609.60

Finding the Fourth Proportional to 126,199.68, 174,149.28 and 69,609.60

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Solution

The fourth proportional to 126,199.68, 174,149.28 and 69,609.60 is: 96,057.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,199.68 : 174,149.28 = 69,609.60 : x
  2. Step 2: Convert to fraction form
    126,199.68/174,149.28 = 69,609.60/x
  3. Step 3: Cross multiply
    126,199.68x = 174,149.28 × 69,609.60
  4. Step 4: Simplify right side
    126,199.68x = 12,122,461,721.09
  5. Step 5: Solve for x
    x = 12,122,461,721.09/126,199.68
  6. Step 6: Final answer
    x = 96,057.78

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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.