Home / 135,695.28-203,399.18-45,652.25

Finding the Fourth Proportional to 135,695.28, 203,399.18 and 45,652.25

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Solution

The fourth proportional to 135,695.28, 203,399.18 and 45,652.25 is: 68,430.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,695.28 : 203,399.18 = 45,652.25 : x
  2. Step 2: Convert to fraction form
    135,695.28/203,399.18 = 45,652.25/x
  3. Step 3: Cross multiply
    135,695.28x = 203,399.18 × 45,652.25
  4. Step 4: Simplify right side
    135,695.28x = 9,285,628,969.90
  5. Step 5: Solve for x
    x = 9,285,628,969.90/135,695.28
  6. Step 6: Final answer
    x = 68,430.01

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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.