Home / 161,711.06-242,613.38-66,923.74

Finding the Fourth Proportional to 161,711.06, 242,613.38 and 66,923.74

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Solution

The fourth proportional to 161,711.06, 242,613.38 and 66,923.74 is: 100,404.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,711.06 : 242,613.38 = 66,923.74 : x
  2. Step 2: Convert to fraction form
    161,711.06/242,613.38 = 66,923.74/x
  3. Step 3: Cross multiply
    161,711.06x = 242,613.38 × 66,923.74
  4. Step 4: Simplify right side
    161,711.06x = 16,236,595,234.22
  5. Step 5: Solve for x
    x = 16,236,595,234.22/161,711.06
  6. Step 6: Final answer
    x = 100,404.98

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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.