Home / 111,187.06-166,819.74-73,895.20

Finding the Fourth Proportional to 111,187.06, 166,819.74 and 73,895.20

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Solution

The fourth proportional to 111,187.06, 166,819.74 and 73,895.20 is: 110,868.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,187.06 : 166,819.74 = 73,895.20 : x
  2. Step 2: Convert to fraction form
    111,187.06/166,819.74 = 73,895.20/x
  3. Step 3: Cross multiply
    111,187.06x = 166,819.74 × 73,895.20
  4. Step 4: Simplify right side
    111,187.06x = 12,327,178,051.25
  5. Step 5: Solve for x
    x = 12,327,178,051.25/111,187.06
  6. Step 6: Final answer
    x = 110,868.82

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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.