Home / 151,877.54-209,589.66-83,899.25

Finding the Fourth Proportional to 151,877.54, 209,589.66 and 83,899.25

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Solution

The fourth proportional to 151,877.54, 209,589.66 and 83,899.25 is: 115,780.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,877.54 : 209,589.66 = 83,899.25 : x
  2. Step 2: Convert to fraction form
    151,877.54/209,589.66 = 83,899.25/x
  3. Step 3: Cross multiply
    151,877.54x = 209,589.66 × 83,899.25
  4. Step 4: Simplify right side
    151,877.54x = 17,584,414,233.81
  5. Step 5: Solve for x
    x = 17,584,414,233.81/151,877.54
  6. Step 6: Final answer
    x = 115,780.22

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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.