Home / 126,795.12-174,979.62-73,071.06

Finding the Fourth Proportional to 126,795.12, 174,979.62 and 73,071.06

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Solution

The fourth proportional to 126,795.12, 174,979.62 and 73,071.06 is: 100,839.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,795.12 : 174,979.62 = 73,071.06 : x
  2. Step 2: Convert to fraction form
    126,795.12/174,979.62 = 73,071.06/x
  3. Step 3: Cross multiply
    126,795.12x = 174,979.62 × 73,071.06
  4. Step 4: Simplify right side
    126,795.12x = 12,785,946,311.80
  5. Step 5: Solve for x
    x = 12,785,946,311.80/126,795.12
  6. Step 6: Final answer
    x = 100,839.42

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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.