Home / 171,827.80-257,741.70-92,111.65

Finding the Fourth Proportional to 171,827.80, 257,741.70 and 92,111.65

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Solution

The fourth proportional to 171,827.80, 257,741.70 and 92,111.65 is: 138,167.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,827.80 : 257,741.70 = 92,111.65 : x
  2. Step 2: Convert to fraction form
    171,827.80/257,741.70 = 92,111.65/x
  3. Step 3: Cross multiply
    171,827.80x = 257,741.70 × 92,111.65
  4. Step 4: Simplify right side
    171,827.80x = 23,741,013,260.81
  5. Step 5: Solve for x
    x = 23,741,013,260.81/171,827.80
  6. Step 6: Final answer
    x = 138,167.48

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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.