Home / 111,931.10-167,896.65-110,764.70

Finding the Fourth Proportional to 111,931.10, 167,896.65 and 110,764.70

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Solution

The fourth proportional to 111,931.10, 167,896.65 and 110,764.70 is: 166,147.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,931.10 : 167,896.65 = 110,764.70 : x
  2. Step 2: Convert to fraction form
    111,931.10/167,896.65 = 110,764.70/x
  3. Step 3: Cross multiply
    111,931.10x = 167,896.65 × 110,764.70
  4. Step 4: Simplify right side
    111,931.10x = 18,597,022,068.26
  5. Step 5: Solve for x
    x = 18,597,022,068.26/111,931.10
  6. Step 6: Final answer
    x = 166,147.05

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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.