Home / 149,667.19-206,576.13-86,041.96

Finding the Fourth Proportional to 149,667.19, 206,576.13 and 86,041.96

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Solution

The fourth proportional to 149,667.19, 206,576.13 and 86,041.96 is: 118,758.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,667.19 : 206,576.13 = 86,041.96 : x
  2. Step 2: Convert to fraction form
    149,667.19/206,576.13 = 86,041.96/x
  3. Step 3: Cross multiply
    149,667.19x = 206,576.13 × 86,041.96
  4. Step 4: Simplify right side
    149,667.19x = 17,774,215,114.41
  5. Step 5: Solve for x
    x = 17,774,215,114.41/149,667.19
  6. Step 6: Final answer
    x = 118,758.26

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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.