Home / 111,848.24-167,631.89-66,902.76

Finding the Fourth Proportional to 111,848.24, 167,631.89 and 66,902.76

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Solution

The fourth proportional to 111,848.24, 167,631.89 and 66,902.76 is: 100,270.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,848.24 : 167,631.89 = 66,902.76 : x
  2. Step 2: Convert to fraction form
    111,848.24/167,631.89 = 66,902.76/x
  3. Step 3: Cross multiply
    111,848.24x = 167,631.89 × 66,902.76
  4. Step 4: Simplify right side
    111,848.24x = 11,215,035,266.86
  5. Step 5: Solve for x
    x = 11,215,035,266.86/111,848.24
  6. Step 6: Final answer
    x = 100,270.11

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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.