Home / 172,276.23-258,414.36-53,956.83

Finding the Fourth Proportional to 172,276.23, 258,414.36 and 53,956.83

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Solution

The fourth proportional to 172,276.23, 258,414.36 and 53,956.83 is: 80,935.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,276.23 : 258,414.36 = 53,956.83 : x
  2. Step 2: Convert to fraction form
    172,276.23/258,414.36 = 53,956.83/x
  3. Step 3: Cross multiply
    172,276.23x = 258,414.36 × 53,956.83
  4. Step 4: Simplify right side
    172,276.23x = 13,943,219,692.08
  5. Step 5: Solve for x
    x = 13,943,219,692.08/172,276.23
  6. Step 6: Final answer
    x = 80,935.25

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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.