Home / 223,004.11-307,745.55-126,206.21

Finding the Fourth Proportional to 223,004.11, 307,745.55 and 126,206.21

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Solution

The fourth proportional to 223,004.11, 307,745.55 and 126,206.21 is: 174,164.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,004.11 : 307,745.55 = 126,206.21 : x
  2. Step 2: Convert to fraction form
    223,004.11/307,745.55 = 126,206.21/x
  3. Step 3: Cross multiply
    223,004.11x = 307,745.55 × 126,206.21
  4. Step 4: Simplify right side
    223,004.11x = 38,839,398,903.12
  5. Step 5: Solve for x
    x = 38,839,398,903.12/223,004.11
  6. Step 6: Final answer
    x = 174,164.50

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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.