Home / 149,577.48-206,402.58-82,505.16

Finding the Fourth Proportional to 149,577.48, 206,402.58 and 82,505.16

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Solution

The fourth proportional to 149,577.48, 206,402.58 and 82,505.16 is: 113,849.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,577.48 : 206,402.58 = 82,505.16 : x
  2. Step 2: Convert to fraction form
    149,577.48/206,402.58 = 82,505.16/x
  3. Step 3: Cross multiply
    149,577.48x = 206,402.58 × 82,505.16
  4. Step 4: Simplify right side
    149,577.48x = 17,029,277,887.31
  5. Step 5: Solve for x
    x = 17,029,277,887.31/149,577.48
  6. Step 6: Final answer
    x = 113,849.21

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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.