Home / 136,052.70-204,111.45-57,126.30

Finding the Fourth Proportional to 136,052.70, 204,111.45 and 57,126.30

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Solution

The fourth proportional to 136,052.70, 204,111.45 and 57,126.30 is: 85,703.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,052.70 : 204,111.45 = 57,126.30 : x
  2. Step 2: Convert to fraction form
    136,052.70/204,111.45 = 57,126.30/x
  3. Step 3: Cross multiply
    136,052.70x = 204,111.45 × 57,126.30
  4. Step 4: Simplify right side
    136,052.70x = 11,660,131,926.14
  5. Step 5: Solve for x
    x = 11,660,131,926.14/136,052.70
  6. Step 6: Final answer
    x = 85,703.05

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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.