Home / 171,826.80-257,740.20-92,110.65

Finding the Fourth Proportional to 171,826.80, 257,740.20 and 92,110.65

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Solution

The fourth proportional to 171,826.80, 257,740.20 and 92,110.65 is: 138,165.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,826.80 : 257,740.20 = 92,110.65 : x
  2. Step 2: Convert to fraction form
    171,826.80/257,740.20 = 92,110.65/x
  3. Step 3: Cross multiply
    171,826.80x = 257,740.20 × 92,110.65
  4. Step 4: Simplify right side
    171,826.80x = 23,740,617,353.13
  5. Step 5: Solve for x
    x = 23,740,617,353.13/171,826.80
  6. Step 6: Final answer
    x = 138,165.98

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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.