Home / 258,037.12-386,226.24-174,471.04

Finding the Fourth Proportional to 258,037.12, 386,226.24 and 174,471.04

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Solution

The fourth proportional to 258,037.12, 386,226.24 and 174,471.04 is: 261,145.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,037.12 : 386,226.24 = 174,471.04 : x
  2. Step 2: Convert to fraction form
    258,037.12/386,226.24 = 174,471.04/x
  3. Step 3: Cross multiply
    258,037.12x = 386,226.24 × 174,471.04
  4. Step 4: Simplify right side
    258,037.12x = 67,385,293,768.09
  5. Step 5: Solve for x
    x = 67,385,293,768.09/258,037.12
  6. Step 6: Final answer
    x = 261,145.74

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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.