Home / 147,090.48-202,976.30-82,553.70

Finding the Fourth Proportional to 147,090.48, 202,976.30 and 82,553.70

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Solution

The fourth proportional to 147,090.48, 202,976.30 and 82,553.70 is: 113,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,090.48 : 202,976.30 = 82,553.70 : x
  2. Step 2: Convert to fraction form
    147,090.48/202,976.30 = 82,553.70/x
  3. Step 3: Cross multiply
    147,090.48x = 202,976.30 × 82,553.70
  4. Step 4: Simplify right side
    147,090.48x = 16,756,444,577.31
  5. Step 5: Solve for x
    x = 16,756,444,577.31/147,090.48
  6. Step 6: Final answer
    x = 113,919.30

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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.