Home / 126,759.42-174,928.04-70,170.79

Finding the Fourth Proportional to 126,759.42, 174,928.04 and 70,170.79

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Solution

The fourth proportional to 126,759.42, 174,928.04 and 70,170.79 is: 96,835.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,759.42 : 174,928.04 = 70,170.79 : x
  2. Step 2: Convert to fraction form
    126,759.42/174,928.04 = 70,170.79/x
  3. Step 3: Cross multiply
    126,759.42x = 174,928.04 × 70,170.79
  4. Step 4: Simplify right side
    126,759.42x = 12,274,838,759.95
  5. Step 5: Solve for x
    x = 12,274,838,759.95/126,759.42
  6. Step 6: Final answer
    x = 96,835.71

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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.