Home / 186,493.20-279,739.80-156,968.70

Finding the Fourth Proportional to 186,493.20, 279,739.80 and 156,968.70

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Solution

The fourth proportional to 186,493.20, 279,739.80 and 156,968.70 is: 235,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,493.20 : 279,739.80 = 156,968.70 : x
  2. Step 2: Convert to fraction form
    186,493.20/279,739.80 = 156,968.70/x
  3. Step 3: Cross multiply
    186,493.20x = 279,739.80 × 156,968.70
  4. Step 4: Simplify right side
    186,493.20x = 43,910,392,744.26
  5. Step 5: Solve for x
    x = 43,910,392,744.26/186,493.20
  6. Step 6: Final answer
    x = 235,453.05

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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.