Home / 95,940.20-143,910.30-76,111.40

Finding the Fourth Proportional to 95,940.20, 143,910.30 and 76,111.40

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Solution

The fourth proportional to 95,940.20, 143,910.30 and 76,111.40 is: 114,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,940.20 : 143,910.30 = 76,111.40 : x
  2. Step 2: Convert to fraction form
    95,940.20/143,910.30 = 76,111.40/x
  3. Step 3: Cross multiply
    95,940.20x = 143,910.30 × 76,111.40
  4. Step 4: Simplify right side
    95,940.20x = 10,953,214,407.42
  5. Step 5: Solve for x
    x = 10,953,214,407.42/95,940.20
  6. Step 6: Final answer
    x = 114,167.10

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1.5x scale

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.