Home / 145,917.50-201,369.23-82,255.30

Finding the Fourth Proportional to 145,917.50, 201,369.23 and 82,255.30

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Solution

The fourth proportional to 145,917.50, 201,369.23 and 82,255.30 is: 113,514.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,917.50 : 201,369.23 = 82,255.30 : x
  2. Step 2: Convert to fraction form
    145,917.50/201,369.23 = 82,255.30/x
  3. Step 3: Cross multiply
    145,917.50x = 201,369.23 × 82,255.30
  4. Step 4: Simplify right side
    145,917.50x = 16,563,685,006.30
  5. Step 5: Solve for x
    x = 16,563,685,006.30/145,917.50
  6. Step 6: Final answer
    x = 113,514.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.