Home / 116,175.54-160,023.51-82,125.47

Finding the Fourth Proportional to 116,175.54, 160,023.51 and 82,125.47

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Solution

The fourth proportional to 116,175.54, 160,023.51 and 82,125.47 is: 113,121.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,175.54 : 160,023.51 = 82,125.47 : x
  2. Step 2: Convert to fraction form
    116,175.54/160,023.51 = 82,125.47/x
  3. Step 3: Cross multiply
    116,175.54x = 160,023.51 × 82,125.47
  4. Step 4: Simplify right side
    116,175.54x = 13,142,005,969.80
  5. Step 5: Solve for x
    x = 13,142,005,969.80/116,175.54
  6. Step 6: Final answer
    x = 113,121.97

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1.5x scale

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.