Home / 149,678.66-206,554.65-82,606.34

Finding the Fourth Proportional to 149,678.66, 206,554.65 and 82,606.34

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Solution

The fourth proportional to 149,678.66, 206,554.65 and 82,606.34 is: 113,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,678.66 : 206,554.65 = 82,606.34 : x
  2. Step 2: Convert to fraction form
    149,678.66/206,554.65 = 82,606.34/x
  3. Step 3: Cross multiply
    149,678.66x = 206,554.65 × 82,606.34
  4. Step 4: Simplify right side
    149,678.66x = 17,062,723,646.48
  5. Step 5: Solve for x
    x = 17,062,723,646.48/149,678.66
  6. Step 6: Final answer
    x = 113,995.70

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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.