Home / 126,806.45-174,998.17-70,217.82

Finding the Fourth Proportional to 126,806.45, 174,998.17 and 70,217.82

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Solution

The fourth proportional to 126,806.45, 174,998.17 and 70,217.82 is: 96,903.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,806.45 : 174,998.17 = 70,217.82 : x
  2. Step 2: Convert to fraction form
    126,806.45/174,998.17 = 70,217.82/x
  3. Step 3: Cross multiply
    126,806.45x = 174,998.17 × 70,217.82
  4. Step 4: Simplify right side
    126,806.45x = 12,287,990,089.16
  5. Step 5: Solve for x
    x = 12,287,990,089.16/126,806.45
  6. Step 6: Final answer
    x = 96,903.51

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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.