Home / 186,943.22-257,971.88-102,043.88

Finding the Fourth Proportional to 186,943.22, 257,971.88 and 102,043.88

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Solution

The fourth proportional to 186,943.22, 257,971.88 and 102,043.88 is: 140,815.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,943.22 : 257,971.88 = 102,043.88 : x
  2. Step 2: Convert to fraction form
    186,943.22/257,971.88 = 102,043.88/x
  3. Step 3: Cross multiply
    186,943.22x = 257,971.88 × 102,043.88
  4. Step 4: Simplify right side
    186,943.22x = 26,324,451,566.09
  5. Step 5: Solve for x
    x = 26,324,451,566.09/186,943.22
  6. Step 6: Final answer
    x = 140,815.22

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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.