Home / 168,212.64-252,317.77-61,603.91

Finding the Fourth Proportional to 168,212.64, 252,317.77 and 61,603.91

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Solution

The fourth proportional to 168,212.64, 252,317.77 and 61,603.91 is: 92,405.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,212.64 : 252,317.77 = 61,603.91 : x
  2. Step 2: Convert to fraction form
    168,212.64/252,317.77 = 61,603.91/x
  3. Step 3: Cross multiply
    168,212.64x = 252,317.77 × 61,603.91
  4. Step 4: Simplify right side
    168,212.64x = 15,543,760,725.07
  5. Step 5: Solve for x
    x = 15,543,760,725.07/168,212.64
  6. Step 6: Final answer
    x = 92,405.42

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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.