Home / 171,941.12-237,217.92-112,359.68

Finding the Fourth Proportional to 171,941.12, 237,217.92 and 112,359.68

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Solution

The fourth proportional to 171,941.12, 237,217.92 and 112,359.68 is: 155,016.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,941.12 : 237,217.92 = 112,359.68 : x
  2. Step 2: Convert to fraction form
    171,941.12/237,217.92 = 112,359.68/x
  3. Step 3: Cross multiply
    171,941.12x = 237,217.92 × 112,359.68
  4. Step 4: Simplify right side
    171,941.12x = 26,653,729,581.47
  5. Step 5: Solve for x
    x = 26,653,729,581.47/171,941.12
  6. Step 6: Final answer
    x = 155,016.61

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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.