Home / 187,905.33-259,308.81-103,022.46

Finding the Fourth Proportional to 187,905.33, 259,308.81 and 103,022.46

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Solution

The fourth proportional to 187,905.33, 259,308.81 and 103,022.46 is: 142,170.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,905.33 : 259,308.81 = 103,022.46 : x
  2. Step 2: Convert to fraction form
    187,905.33/259,308.81 = 103,022.46/x
  3. Step 3: Cross multiply
    187,905.33x = 259,308.81 × 103,022.46
  4. Step 4: Simplify right side
    187,905.33x = 26,714,631,505.87
  5. Step 5: Solve for x
    x = 26,714,631,505.87/187,905.33
  6. Step 6: Final answer
    x = 142,170.70

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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.