Home / 153,902.16-231,203.54-111,338.87

Finding the Fourth Proportional to 153,902.16, 231,203.54 and 111,338.87

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Solution

The fourth proportional to 153,902.16, 231,203.54 and 111,338.87 is: 167,261.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,902.16 : 231,203.54 = 111,338.87 : x
  2. Step 2: Convert to fraction form
    153,902.16/231,203.54 = 111,338.87/x
  3. Step 3: Cross multiply
    153,902.16x = 231,203.54 × 111,338.87
  4. Step 4: Simplify right side
    153,902.16x = 25,741,940,883.60
  5. Step 5: Solve for x
    x = 25,741,940,883.60/153,902.16
  6. Step 6: Final answer
    x = 167,261.73

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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.