Home / 167,139.80-230,656.06-102,576.68

Finding the Fourth Proportional to 167,139.80, 230,656.06 and 102,576.68

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Solution

The fourth proportional to 167,139.80, 230,656.06 and 102,576.68 is: 141,557.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,139.80 : 230,656.06 = 102,576.68 : x
  2. Step 2: Convert to fraction form
    167,139.80/230,656.06 = 102,576.68/x
  3. Step 3: Cross multiply
    167,139.80x = 230,656.06 × 102,576.68
  4. Step 4: Simplify right side
    167,139.80x = 23,659,932,856.68
  5. Step 5: Solve for x
    x = 23,659,932,856.68/167,139.80
  6. Step 6: Final answer
    x = 141,557.74

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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.