Home / 171,405.85-236,429.82-107,632.93

Finding the Fourth Proportional to 171,405.85, 236,429.82 and 107,632.93

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Solution

The fourth proportional to 171,405.85, 236,429.82 and 107,632.93 is: 148,464.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,405.85 : 236,429.82 = 107,632.93 : x
  2. Step 2: Convert to fraction form
    171,405.85/236,429.82 = 107,632.93/x
  3. Step 3: Cross multiply
    171,405.85x = 236,429.82 × 107,632.93
  4. Step 4: Simplify right side
    171,405.85x = 25,447,634,265.97
  5. Step 5: Solve for x
    x = 25,447,634,265.97/171,405.85
  6. Step 6: Final answer
    x = 148,464.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.