Home / 147,202.08-203,165.46-86,769.24

Finding the Fourth Proportional to 147,202.08, 203,165.46 and 86,769.24

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Solution

The fourth proportional to 147,202.08, 203,165.46 and 86,769.24 is: 119,757.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,202.08 : 203,165.46 = 86,769.24 : x
  2. Step 2: Convert to fraction form
    147,202.08/203,165.46 = 86,769.24/x
  3. Step 3: Cross multiply
    147,202.08x = 203,165.46 × 86,769.24
  4. Step 4: Simplify right side
    147,202.08x = 17,628,512,558.45
  5. Step 5: Solve for x
    x = 17,628,512,558.45/147,202.08
  6. Step 6: Final answer
    x = 119,757.22

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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.