Home / 136,576.52-204,871.26-66,372.20

Finding the Fourth Proportional to 136,576.52, 204,871.26 and 66,372.20

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Solution

The fourth proportional to 136,576.52, 204,871.26 and 66,372.20 is: 99,561.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,576.52 : 204,871.26 = 66,372.20 : x
  2. Step 2: Convert to fraction form
    136,576.52/204,871.26 = 66,372.20/x
  3. Step 3: Cross multiply
    136,576.52x = 204,871.26 × 66,372.20
  4. Step 4: Simplify right side
    136,576.52x = 13,597,756,242.97
  5. Step 5: Solve for x
    x = 13,597,756,242.97/136,576.52
  6. Step 6: Final answer
    x = 99,561.45

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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.