Home / 186,677.06-279,753.14-81,274.59

Finding the Fourth Proportional to 186,677.06, 279,753.14 and 81,274.59

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Solution

The fourth proportional to 186,677.06, 279,753.14 and 81,274.59 is: 121,797.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,677.06 : 279,753.14 = 81,274.59 : x
  2. Step 2: Convert to fraction form
    186,677.06/279,753.14 = 81,274.59/x
  3. Step 3: Cross multiply
    186,677.06x = 279,753.14 × 81,274.59
  4. Step 4: Simplify right side
    186,677.06x = 22,736,821,957.90
  5. Step 5: Solve for x
    x = 22,736,821,957.90/186,677.06
  6. Step 6: Final answer
    x = 121,797.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.