Home / 126,367.68-174,382.83-69,777.84

Finding the Fourth Proportional to 126,367.68, 174,382.83 and 69,777.84

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Solution

The fourth proportional to 126,367.68, 174,382.83 and 69,777.84 is: 96,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,367.68 : 174,382.83 = 69,777.84 : x
  2. Step 2: Convert to fraction form
    126,367.68/174,382.83 = 69,777.84/x
  3. Step 3: Cross multiply
    126,367.68x = 174,382.83 × 69,777.84
  4. Step 4: Simplify right side
    126,367.68x = 12,168,057,210.49
  5. Step 5: Solve for x
    x = 12,168,057,210.49/126,367.68
  6. Step 6: Final answer
    x = 96,290.90

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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.