Home / 172,488.38-258,714.39-46,141.39

Finding the Fourth Proportional to 172,488.38, 258,714.39 and 46,141.39

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Solution

The fourth proportional to 172,488.38, 258,714.39 and 46,141.39 is: 69,207.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,488.38 : 258,714.39 = 46,141.39 : x
  2. Step 2: Convert to fraction form
    172,488.38/258,714.39 = 46,141.39/x
  3. Step 3: Cross multiply
    172,488.38x = 258,714.39 × 46,141.39
  4. Step 4: Simplify right side
    172,488.38x = 11,937,441,567.60
  5. Step 5: Solve for x
    x = 11,937,441,567.60/172,488.38
  6. Step 6: Final answer
    x = 69,207.22

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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.