Home / 126,651.42-174,778.92-70,062.84

Finding the Fourth Proportional to 126,651.42, 174,778.92 and 70,062.84

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Solution

The fourth proportional to 126,651.42, 174,778.92 and 70,062.84 is: 96,686.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,651.42 : 174,778.92 = 70,062.84 : x
  2. Step 2: Convert to fraction form
    126,651.42/174,778.92 = 70,062.84/x
  3. Step 3: Cross multiply
    126,651.42x = 174,778.92 × 70,062.84
  4. Step 4: Simplify right side
    126,651.42x = 12,245,507,507.33
  5. Step 5: Solve for x
    x = 12,245,507,507.33/126,651.42
  6. Step 6: Final answer
    x = 96,686.70

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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.