Home / 136,126.89-204,065.80-57,246.66

Finding the Fourth Proportional to 136,126.89, 204,065.80 and 57,246.66

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Solution

The fourth proportional to 136,126.89, 204,065.80 and 57,246.66 is: 85,817.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,126.89 : 204,065.80 = 57,246.66 : x
  2. Step 2: Convert to fraction form
    136,126.89/204,065.80 = 57,246.66/x
  3. Step 3: Cross multiply
    136,126.89x = 204,065.80 × 57,246.66
  4. Step 4: Simplify right side
    136,126.89x = 11,682,085,327.11
  5. Step 5: Solve for x
    x = 11,682,085,327.11/136,126.89
  6. Step 6: Final answer
    x = 85,817.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.