Home / 126,204.24-174,162-69,615.60

Finding the Fourth Proportional to 126,204.24, 174,162 and 69,615.60

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Solution

The fourth proportional to 126,204.24, 174,162 and 69,615.60 is: 96,069.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,204.24 : 174,162 = 69,615.60 : x
  2. Step 2: Convert to fraction form
    126,204.24/174,162 = 69,615.60/x
  3. Step 3: Cross multiply
    126,204.24x = 174,162 × 69,615.60
  4. Step 4: Simplify right side
    126,204.24x = 12,124,392,127.20
  5. Step 5: Solve for x
    x = 12,124,392,127.20/126,204.24
  6. Step 6: Final answer
    x = 96,069.61

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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.