Home / 173,181.85-238,925.09-105,173.03

Finding the Fourth Proportional to 173,181.85, 238,925.09 and 105,173.03

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Solution

The fourth proportional to 173,181.85, 238,925.09 and 105,173.03 is: 145,098.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,181.85 : 238,925.09 = 105,173.03 : x
  2. Step 2: Convert to fraction form
    173,181.85/238,925.09 = 105,173.03/x
  3. Step 3: Cross multiply
    173,181.85x = 238,925.09 × 105,173.03
  4. Step 4: Simplify right side
    173,181.85x = 25,128,476,518.57
  5. Step 5: Solve for x
    x = 25,128,476,518.57/173,181.85
  6. Step 6: Final answer
    x = 145,098.79

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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.