Home / 171,726.96-257,408.62-57,766.28

Finding the Fourth Proportional to 171,726.96, 257,408.62 and 57,766.28

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Solution

The fourth proportional to 171,726.96, 257,408.62 and 57,766.28 is: 86,588.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,726.96 : 257,408.62 = 57,766.28 : x
  2. Step 2: Convert to fraction form
    171,726.96/257,408.62 = 57,766.28/x
  3. Step 3: Cross multiply
    171,726.96x = 257,408.62 × 57,766.28
  4. Step 4: Simplify right side
    171,726.96x = 14,869,538,417.33
  5. Step 5: Solve for x
    x = 14,869,538,417.33/171,726.96
  6. Step 6: Final answer
    x = 86,588.26

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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.