Home / 141,863.10-212,010.56-133,669.02

Finding the Fourth Proportional to 141,863.10, 212,010.56 and 133,669.02

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Solution

The fourth proportional to 141,863.10, 212,010.56 and 133,669.02 is: 199,764.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,863.10 : 212,010.56 = 133,669.02 : x
  2. Step 2: Convert to fraction form
    141,863.10/212,010.56 = 133,669.02/x
  3. Step 3: Cross multiply
    141,863.10x = 212,010.56 × 133,669.02
  4. Step 4: Simplify right side
    141,863.10x = 28,339,243,784.85
  5. Step 5: Solve for x
    x = 28,339,243,784.85/141,863.10
  6. Step 6: Final answer
    x = 199,764.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.