Home / 126,823.80-174,618.48-107,663.88

Finding the Fourth Proportional to 126,823.80, 174,618.48 and 107,663.88

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Solution

The fourth proportional to 126,823.80, 174,618.48 and 107,663.88 is: 148,237.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,823.80 : 174,618.48 = 107,663.88 : x
  2. Step 2: Convert to fraction form
    126,823.80/174,618.48 = 107,663.88/x
  3. Step 3: Cross multiply
    126,823.80x = 174,618.48 × 107,663.88
  4. Step 4: Simplify right side
    126,823.80x = 18,800,103,076.50
  5. Step 5: Solve for x
    x = 18,800,103,076.50/126,823.80
  6. Step 6: Final answer
    x = 148,237.97

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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.