Home / 459,635.23-689,455.89-160,121.47

Finding the Fourth Proportional to 459,635.23, 689,455.89 and 160,121.47

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Solution

The fourth proportional to 459,635.23, 689,455.89 and 160,121.47 is: 240,183.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,635.23 : 689,455.89 = 160,121.47 : x
  2. Step 2: Convert to fraction form
    459,635.23/689,455.89 = 160,121.47/x
  3. Step 3: Cross multiply
    459,635.23x = 689,455.89 × 160,121.47
  4. Step 4: Simplify right side
    459,635.23x = 110,396,690,606.96
  5. Step 5: Solve for x
    x = 110,396,690,606.96/459,635.23
  6. Step 6: Final answer
    x = 240,183.27

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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.