Home / 143,877.58-215,790.24-38,671.94

Finding the Fourth Proportional to 143,877.58, 215,790.24 and 38,671.94

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Solution

The fourth proportional to 143,877.58, 215,790.24 and 38,671.94 is: 58,000.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,877.58 : 215,790.24 = 38,671.94 : x
  2. Step 2: Convert to fraction form
    143,877.58/215,790.24 = 38,671.94/x
  3. Step 3: Cross multiply
    143,877.58x = 215,790.24 × 38,671.94
  4. Step 4: Simplify right side
    143,877.58x = 8,345,027,213.87
  5. Step 5: Solve for x
    x = 8,345,027,213.87/143,877.58
  6. Step 6: Final answer
    x = 58,000.89

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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.