Home / 171,940.12-237,216.54-112,358.68

Finding the Fourth Proportional to 171,940.12, 237,216.54 and 112,358.68

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Solution

The fourth proportional to 171,940.12, 237,216.54 and 112,358.68 is: 155,015.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,940.12 : 237,216.54 = 112,358.68 : x
  2. Step 2: Convert to fraction form
    171,940.12/237,216.54 = 112,358.68/x
  3. Step 3: Cross multiply
    171,940.12x = 237,216.54 × 112,358.68
  4. Step 4: Simplify right side
    171,940.12x = 26,653,337,308.57
  5. Step 5: Solve for x
    x = 26,653,337,308.57/171,940.12
  6. Step 6: Final answer
    x = 155,015.23

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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.