Home / 111,750.30-167,625.45-92,051.10

Finding the Fourth Proportional to 111,750.30, 167,625.45 and 92,051.10

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Solution

The fourth proportional to 111,750.30, 167,625.45 and 92,051.10 is: 138,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,750.30 : 167,625.45 = 92,051.10 : x
  2. Step 2: Convert to fraction form
    111,750.30/167,625.45 = 92,051.10/x
  3. Step 3: Cross multiply
    111,750.30x = 167,625.45 × 92,051.10
  4. Step 4: Simplify right side
    111,750.30x = 15,430,107,060.50
  5. Step 5: Solve for x
    x = 15,430,107,060.50/111,750.30
  6. Step 6: Final answer
    x = 138,076.65

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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.