Home / 132,120.56-182,461.53-123,656.87

Finding the Fourth Proportional to 132,120.56, 182,461.53 and 123,656.87

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Solution

The fourth proportional to 132,120.56, 182,461.53 and 123,656.87 is: 170,772.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,120.56 : 182,461.53 = 123,656.87 : x
  2. Step 2: Convert to fraction form
    132,120.56/182,461.53 = 123,656.87/x
  3. Step 3: Cross multiply
    132,120.56x = 182,461.53 × 123,656.87
  4. Step 4: Simplify right side
    132,120.56x = 22,562,620,782.90
  5. Step 5: Solve for x
    x = 22,562,620,782.90/132,120.56
  6. Step 6: Final answer
    x = 170,772.98

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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.