Home / 135,617.28-203,434.88-46,879.36

Finding the Fourth Proportional to 135,617.28, 203,434.88 and 46,879.36

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Solution

The fourth proportional to 135,617.28, 203,434.88 and 46,879.36 is: 70,322.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,617.28 : 203,434.88 = 46,879.36 : x
  2. Step 2: Convert to fraction form
    135,617.28/203,434.88 = 46,879.36/x
  3. Step 3: Cross multiply
    135,617.28x = 203,434.88 × 46,879.36
  4. Step 4: Simplify right side
    135,617.28x = 9,536,896,976.08
  5. Step 5: Solve for x
    x = 9,536,896,976.08/135,617.28
  6. Step 6: Final answer
    x = 70,322.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.