Home / 136,926.48-188,902.32-83,202.96

Finding the Fourth Proportional to 136,926.48, 188,902.32 and 83,202.96

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Solution

The fourth proportional to 136,926.48, 188,902.32 and 83,202.96 is: 114,785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,926.48 : 188,902.32 = 83,202.96 : x
  2. Step 2: Convert to fraction form
    136,926.48/188,902.32 = 83,202.96/x
  3. Step 3: Cross multiply
    136,926.48x = 188,902.32 × 83,202.96
  4. Step 4: Simplify right side
    136,926.48x = 15,717,232,174.87
  5. Step 5: Solve for x
    x = 15,717,232,174.87/136,926.48
  6. Step 6: Final answer
    x = 114,785.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.