Home / 188,385.71-281,359.18-170,580.79

Finding the Fourth Proportional to 188,385.71, 281,359.18 and 170,580.79

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Solution

The fourth proportional to 188,385.71, 281,359.18 and 170,580.79 is: 254,767.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,385.71 : 281,359.18 = 170,580.79 : x
  2. Step 2: Convert to fraction form
    188,385.71/281,359.18 = 170,580.79/x
  3. Step 3: Cross multiply
    188,385.71x = 281,359.18 × 170,580.79
  4. Step 4: Simplify right side
    188,385.71x = 47,994,471,198.15
  5. Step 5: Solve for x
    x = 47,994,471,198.15/188,385.71
  6. Step 6: Final answer
    x = 254,767.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.