Home / 149,667.81-206,577.03-86,042.58

Finding the Fourth Proportional to 149,667.81, 206,577.03 and 86,042.58

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Solution

The fourth proportional to 149,667.81, 206,577.03 and 86,042.58 is: 118,759.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,667.81 : 206,577.03 = 86,042.58 : x
  2. Step 2: Convert to fraction form
    149,667.81/206,577.03 = 86,042.58/x
  3. Step 3: Cross multiply
    149,667.81x = 206,577.03 × 86,042.58
  4. Step 4: Simplify right side
    149,667.81x = 17,774,420,629.94
  5. Step 5: Solve for x
    x = 17,774,420,629.94/149,667.81
  6. Step 6: Final answer
    x = 118,759.14

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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.