Home / 172,733.85-258,515.55-106,216.11

Finding the Fourth Proportional to 172,733.85, 258,515.55 and 106,216.11

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Solution

The fourth proportional to 172,733.85, 258,515.55 and 106,216.11 is: 158,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,733.85 : 258,515.55 = 106,216.11 : x
  2. Step 2: Convert to fraction form
    172,733.85/258,515.55 = 106,216.11/x
  3. Step 3: Cross multiply
    172,733.85x = 258,515.55 × 106,216.11
  4. Step 4: Simplify right side
    172,733.85x = 27,458,516,095.51
  5. Step 5: Solve for x
    x = 27,458,516,095.51/172,733.85
  6. Step 6: Final answer
    x = 158,964.30

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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.