Home / 143,884.12-215,845.90-49,088.86

Finding the Fourth Proportional to 143,884.12, 215,845.90 and 49,088.86

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Solution

The fourth proportional to 143,884.12, 215,845.90 and 49,088.86 is: 73,640.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,884.12 : 215,845.90 = 49,088.86 : x
  2. Step 2: Convert to fraction form
    143,884.12/215,845.90 = 49,088.86/x
  3. Step 3: Cross multiply
    143,884.12x = 215,845.90 × 49,088.86
  4. Step 4: Simplify right side
    143,884.12x = 10,595,629,166.67
  5. Step 5: Solve for x
    x = 10,595,629,166.67/143,884.12
  6. Step 6: Final answer
    x = 73,640.02

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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.