Home / 223,905.51-308,939.58-187,753.19

Finding the Fourth Proportional to 223,905.51, 308,939.58 and 187,753.19

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Solution

The fourth proportional to 223,905.51, 308,939.58 and 187,753.19 is: 259,057.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,905.51 : 308,939.58 = 187,753.19 : x
  2. Step 2: Convert to fraction form
    223,905.51/308,939.58 = 187,753.19/x
  3. Step 3: Cross multiply
    223,905.51x = 308,939.58 × 187,753.19
  4. Step 4: Simplify right side
    223,905.51x = 58,004,390,117.56
  5. Step 5: Solve for x
    x = 58,004,390,117.56/223,905.51
  6. Step 6: Final answer
    x = 259,057.45

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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.