Home / 156,939.10-235,390.42-44,636.65

Finding the Fourth Proportional to 156,939.10, 235,390.42 and 44,636.65

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Solution

The fourth proportional to 156,939.10, 235,390.42 and 44,636.65 is: 66,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,939.10 : 235,390.42 = 44,636.65 : x
  2. Step 2: Convert to fraction form
    156,939.10/235,390.42 = 44,636.65/x
  3. Step 3: Cross multiply
    156,939.10x = 235,390.42 × 44,636.65
  4. Step 4: Simplify right side
    156,939.10x = 10,507,039,790.89
  5. Step 5: Solve for x
    x = 10,507,039,790.89/156,939.10
  6. Step 6: Final answer
    x = 66,949.79

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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.