Home / 149,677.80-206,590.84-86,052.56

Finding the Fourth Proportional to 149,677.80, 206,590.84 and 86,052.56

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Solution

The fourth proportional to 149,677.80, 206,590.84 and 86,052.56 is: 118,772.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,677.80 : 206,590.84 = 86,052.56 : x
  2. Step 2: Convert to fraction form
    149,677.80/206,590.84 = 86,052.56/x
  3. Step 3: Cross multiply
    149,677.80x = 206,590.84 × 86,052.56
  4. Step 4: Simplify right side
    149,677.80x = 17,777,670,654.55
  5. Step 5: Solve for x
    x = 17,777,670,654.55/149,677.80
  6. Step 6: Final answer
    x = 118,772.93

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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.