Home / 182,442.90-251,730.72-105,917.94

Finding the Fourth Proportional to 182,442.90, 251,730.72 and 105,917.94

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Solution

The fourth proportional to 182,442.90, 251,730.72 and 105,917.94 is: 146,143.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,442.90 : 251,730.72 = 105,917.94 : x
  2. Step 2: Convert to fraction form
    182,442.90/251,730.72 = 105,917.94/x
  3. Step 3: Cross multiply
    182,442.90x = 251,730.72 × 105,917.94
  4. Step 4: Simplify right side
    182,442.90x = 26,662,799,297.12
  5. Step 5: Solve for x
    x = 26,662,799,297.12/182,442.90
  6. Step 6: Final answer
    x = 146,143.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.