Home / 186,418.22-257,258.89-105,847.47

Finding the Fourth Proportional to 186,418.22, 257,258.89 and 105,847.47

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Solution

The fourth proportional to 186,418.22, 257,258.89 and 105,847.47 is: 146,070.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,418.22 : 257,258.89 = 105,847.47 : x
  2. Step 2: Convert to fraction form
    186,418.22/257,258.89 = 105,847.47/x
  3. Step 3: Cross multiply
    186,418.22x = 257,258.89 × 105,847.47
  4. Step 4: Simplify right side
    186,418.22x = 27,230,202,540.20
  5. Step 5: Solve for x
    x = 27,230,202,540.20/186,418.22
  6. Step 6: Final answer
    x = 146,070.50

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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.