Home / 172,599.15-258,567.03-105,844.62

Finding the Fourth Proportional to 172,599.15, 258,567.03 and 105,844.62

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Solution

The fourth proportional to 172,599.15, 258,567.03 and 105,844.62 is: 158,563.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,599.15 : 258,567.03 = 105,844.62 : x
  2. Step 2: Convert to fraction form
    172,599.15/258,567.03 = 105,844.62/x
  3. Step 3: Cross multiply
    172,599.15x = 258,567.03 × 105,844.62
  4. Step 4: Simplify right side
    172,599.15x = 27,367,929,034.88
  5. Step 5: Solve for x
    x = 27,367,929,034.88/172,599.15
  6. Step 6: Final answer
    x = 158,563.52

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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.