Home / 223,932.36-309,006.32-133,273.70

Finding the Fourth Proportional to 223,932.36, 309,006.32 and 133,273.70

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Solution

The fourth proportional to 223,932.36, 309,006.32 and 133,273.70 is: 183,905.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,932.36 : 309,006.32 = 133,273.70 : x
  2. Step 2: Convert to fraction form
    223,932.36/309,006.32 = 133,273.70/x
  3. Step 3: Cross multiply
    223,932.36x = 309,006.32 × 133,273.70
  4. Step 4: Simplify right side
    223,932.36x = 41,182,413,378.38
  5. Step 5: Solve for x
    x = 41,182,413,378.38/223,932.36
  6. Step 6: Final answer
    x = 183,905.59

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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.