Home / 185,821.70-278,732.55-156,953.30

Finding the Fourth Proportional to 185,821.70, 278,732.55 and 156,953.30

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Solution

The fourth proportional to 185,821.70, 278,732.55 and 156,953.30 is: 235,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,821.70 : 278,732.55 = 156,953.30 : x
  2. Step 2: Convert to fraction form
    185,821.70/278,732.55 = 156,953.30/x
  3. Step 3: Cross multiply
    185,821.70x = 278,732.55 × 156,953.30
  4. Step 4: Simplify right side
    185,821.70x = 43,747,993,539.92
  5. Step 5: Solve for x
    x = 43,747,993,539.92/185,821.70
  6. Step 6: Final answer
    x = 235,429.95

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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.