Home / 175,721.40-263,582.10-156,367.80

Finding the Fourth Proportional to 175,721.40, 263,582.10 and 156,367.80

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Solution

The fourth proportional to 175,721.40, 263,582.10 and 156,367.80 is: 234,551.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,721.40 : 263,582.10 = 156,367.80 : x
  2. Step 2: Convert to fraction form
    175,721.40/263,582.10 = 156,367.80/x
  3. Step 3: Cross multiply
    175,721.40x = 263,582.10 × 156,367.80
  4. Step 4: Simplify right side
    175,721.40x = 41,215,753,096.38
  5. Step 5: Solve for x
    x = 41,215,753,096.38/175,721.40
  6. Step 6: Final answer
    x = 234,551.70

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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.