Home / 162,620.68-243,923.28-67,811.80

Finding the Fourth Proportional to 162,620.68, 243,923.28 and 67,811.80

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Solution

The fourth proportional to 162,620.68, 243,923.28 and 67,811.80 is: 101,714.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,620.68 : 243,923.28 = 67,811.80 : x
  2. Step 2: Convert to fraction form
    162,620.68/243,923.28 = 67,811.80/x
  3. Step 3: Cross multiply
    162,620.68x = 243,923.28 × 67,811.80
  4. Step 4: Simplify right side
    162,620.68x = 16,540,876,678.70
  5. Step 5: Solve for x
    x = 16,540,876,678.70/162,620.68
  6. Step 6: Final answer
    x = 101,714.47

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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.