Home / 126,206.74-173,810.96-123,451.12

Finding the Fourth Proportional to 126,206.74, 173,810.96 and 123,451.12

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Solution

The fourth proportional to 126,206.74, 173,810.96 and 123,451.12 is: 170,015.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,206.74 : 173,810.96 = 123,451.12 : x
  2. Step 2: Convert to fraction form
    126,206.74/173,810.96 = 123,451.12/x
  3. Step 3: Cross multiply
    126,206.74x = 173,810.96 × 123,451.12
  4. Step 4: Simplify right side
    126,206.74x = 21,457,156,628.49
  5. Step 5: Solve for x
    x = 21,457,156,628.49/126,206.74
  6. Step 6: Final answer
    x = 170,015.94

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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.