Home / 126,806.39-174,998.09-70,217.76

Finding the Fourth Proportional to 126,806.39, 174,998.09 and 70,217.76

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Solution

The fourth proportional to 126,806.39, 174,998.09 and 70,217.76 is: 96,903.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,806.39 : 174,998.09 = 70,217.76 : x
  2. Step 2: Convert to fraction form
    126,806.39/174,998.09 = 70,217.76/x
  3. Step 3: Cross multiply
    126,806.39x = 174,998.09 × 70,217.76
  4. Step 4: Simplify right side
    126,806.39x = 12,287,973,532.99
  5. Step 5: Solve for x
    x = 12,287,973,532.99/126,806.39
  6. Step 6: Final answer
    x = 96,903.43

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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.