Home / 141,910.48-212,906.76-42,073.12

Finding the Fourth Proportional to 141,910.48, 212,906.76 and 42,073.12

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Solution

The fourth proportional to 141,910.48, 212,906.76 and 42,073.12 is: 63,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,910.48 : 212,906.76 = 42,073.12 : x
  2. Step 2: Convert to fraction form
    141,910.48/212,906.76 = 42,073.12/x
  3. Step 3: Cross multiply
    141,910.48x = 212,906.76 × 42,073.12
  4. Step 4: Simplify right side
    141,910.48x = 8,957,651,662.29
  5. Step 5: Solve for x
    x = 8,957,651,662.29/141,910.48
  6. Step 6: Final answer
    x = 63,121.85

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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.