Home / 186,498.66-257,258.26-131,989.51

Finding the Fourth Proportional to 186,498.66, 257,258.26 and 131,989.51

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Solution

The fourth proportional to 186,498.66, 257,258.26 and 131,989.51 is: 182,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,498.66 : 257,258.26 = 131,989.51 : x
  2. Step 2: Convert to fraction form
    186,498.66/257,258.26 = 131,989.51/x
  3. Step 3: Cross multiply
    186,498.66x = 257,258.26 × 131,989.51
  4. Step 4: Simplify right side
    186,498.66x = 33,955,391,680.85
  5. Step 5: Solve for x
    x = 33,955,391,680.85/186,498.66
  6. Step 6: Final answer
    x = 182,067.75

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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.