Home / 172,397.57-258,043.22-92,235.00

Finding the Fourth Proportional to 172,397.57, 258,043.22 and 92,235.00

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Solution

The fourth proportional to 172,397.57, 258,043.22 and 92,235.00 is: 138,056.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,397.57 : 258,043.22 = 92,235.00 : x
  2. Step 2: Convert to fraction form
    172,397.57/258,043.22 = 92,235.00/x
  3. Step 3: Cross multiply
    172,397.57x = 258,043.22 × 92,235.00
  4. Step 4: Simplify right side
    172,397.57x = 23,800,617,249.07
  5. Step 5: Solve for x
    x = 23,800,617,249.07/172,397.57
  6. Step 6: Final answer
    x = 138,056.57

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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.