Home / 141,629.66-212,575.89-71,558.18

Finding the Fourth Proportional to 141,629.66, 212,575.89 and 71,558.18

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Solution

The fourth proportional to 141,629.66, 212,575.89 and 71,558.18 is: 107,403.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,629.66 : 212,575.89 = 71,558.18 : x
  2. Step 2: Convert to fraction form
    141,629.66/212,575.89 = 71,558.18/x
  3. Step 3: Cross multiply
    141,629.66x = 212,575.89 × 71,558.18
  4. Step 4: Simplify right side
    141,629.66x = 15,211,543,800.28
  5. Step 5: Solve for x
    x = 15,211,543,800.28/141,629.66
  6. Step 6: Final answer
    x = 107,403.66

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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.