Home / 141,999.12-212,998.68-48,505.68

Finding the Fourth Proportional to 141,999.12, 212,998.68 and 48,505.68

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Solution

The fourth proportional to 141,999.12, 212,998.68 and 48,505.68 is: 72,758.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,999.12 : 212,998.68 = 48,505.68 : x
  2. Step 2: Convert to fraction form
    141,999.12/212,998.68 = 48,505.68/x
  3. Step 3: Cross multiply
    141,999.12x = 212,998.68 × 48,505.68
  4. Step 4: Simplify right side
    141,999.12x = 10,331,645,812.50
  5. Step 5: Solve for x
    x = 10,331,645,812.50/141,999.12
  6. Step 6: Final answer
    x = 72,758.52

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Similar ratio
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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.