Home / 126,580.22-174,698.10-76,269.50

Finding the Fourth Proportional to 126,580.22, 174,698.10 and 76,269.50

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Solution

The fourth proportional to 126,580.22, 174,698.10 and 76,269.50 is: 105,262.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,580.22 : 174,698.10 = 76,269.50 : x
  2. Step 2: Convert to fraction form
    126,580.22/174,698.10 = 76,269.50/x
  3. Step 3: Cross multiply
    126,580.22x = 174,698.10 × 76,269.50
  4. Step 4: Simplify right side
    126,580.22x = 13,324,136,737.95
  5. Step 5: Solve for x
    x = 13,324,136,737.95/126,580.22
  6. Step 6: Final answer
    x = 105,262.39

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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.