Home / 187,419.26-258,456.96-158,736.76

Finding the Fourth Proportional to 187,419.26, 258,456.96 and 158,736.76

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Solution

The fourth proportional to 187,419.26, 258,456.96 and 158,736.76 is: 218,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,419.26 : 258,456.96 = 158,736.76 : x
  2. Step 2: Convert to fraction form
    187,419.26/258,456.96 = 158,736.76/x
  3. Step 3: Cross multiply
    187,419.26x = 258,456.96 × 158,736.76
  4. Step 4: Simplify right side
    187,419.26x = 41,026,619,783.71
  5. Step 5: Solve for x
    x = 41,026,619,783.71/187,419.26
  6. Step 6: Final answer
    x = 218,902.90

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1.5x scale

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.