Home / 141,739.61-212,540.12-61,845.09

Finding the Fourth Proportional to 141,739.61, 212,540.12 and 61,845.09

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Solution

The fourth proportional to 141,739.61, 212,540.12 and 61,845.09 is: 92,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,739.61 : 212,540.12 = 61,845.09 : x
  2. Step 2: Convert to fraction form
    141,739.61/212,540.12 = 61,845.09/x
  3. Step 3: Cross multiply
    141,739.61x = 212,540.12 × 61,845.09
  4. Step 4: Simplify right side
    141,739.61x = 13,144,561,975.68
  5. Step 5: Solve for x
    x = 13,144,561,975.68/141,739.61
  6. Step 6: Final answer
    x = 92,737.40

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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.