Home / 126,701.03-174,819.51-75,706.13

Finding the Fourth Proportional to 126,701.03, 174,819.51 and 75,706.13

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Solution

The fourth proportional to 126,701.03, 174,819.51 and 75,706.13 is: 104,457.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,701.03 : 174,819.51 = 75,706.13 : x
  2. Step 2: Convert to fraction form
    126,701.03/174,819.51 = 75,706.13/x
  3. Step 3: Cross multiply
    126,701.03x = 174,819.51 × 75,706.13
  4. Step 4: Simplify right side
    126,701.03x = 13,234,907,676.50
  5. Step 5: Solve for x
    x = 13,234,907,676.50/126,701.03
  6. Step 6: Final answer
    x = 104,457.78

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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.