Home / 499,742.54-749,613.78-144,756.62

Finding the Fourth Proportional to 499,742.54, 749,613.78 and 144,756.62

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Solution

The fourth proportional to 499,742.54, 749,613.78 and 144,756.62 is: 217,134.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,742.54 : 749,613.78 = 144,756.62 : x
  2. Step 2: Convert to fraction form
    499,742.54/749,613.78 = 144,756.62/x
  3. Step 3: Cross multiply
    499,742.54x = 749,613.78 × 144,756.62
  4. Step 4: Simplify right side
    499,742.54x = 108,511,557,098.22
  5. Step 5: Solve for x
    x = 108,511,557,098.22/499,742.54
  6. Step 6: Final answer
    x = 217,134.92

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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.