Home / 499,796.20-749,733.18-144,815.32

Finding the Fourth Proportional to 499,796.20, 749,733.18 and 144,815.32

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Solution

The fourth proportional to 499,796.20, 749,733.18 and 144,815.32 is: 217,234.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,796.20 : 749,733.18 = 144,815.32 : x
  2. Step 2: Convert to fraction form
    499,796.20/749,733.18 = 144,815.32/x
  3. Step 3: Cross multiply
    499,796.20x = 749,733.18 × 144,815.32
  4. Step 4: Simplify right side
    499,796.20x = 108,572,850,376.32
  5. Step 5: Solve for x
    x = 108,572,850,376.32/499,796.20
  6. Step 6: Final answer
    x = 217,234.25

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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.