Home / 186,491.20-279,736.80-156,966.70

Finding the Fourth Proportional to 186,491.20, 279,736.80 and 156,966.70

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Solution

The fourth proportional to 186,491.20, 279,736.80 and 156,966.70 is: 235,450.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,491.20 : 279,736.80 = 156,966.70 : x
  2. Step 2: Convert to fraction form
    186,491.20/279,736.80 = 156,966.70/x
  3. Step 3: Cross multiply
    186,491.20x = 279,736.80 × 156,966.70
  4. Step 4: Simplify right side
    186,491.20x = 43,909,362,364.56
  5. Step 5: Solve for x
    x = 43,909,362,364.56/186,491.20
  6. Step 6: Final answer
    x = 235,450.05

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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.