Home / 207,036.64-285,852.20-158,553.02

Finding the Fourth Proportional to 207,036.64, 285,852.20 and 158,553.02

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Solution

The fourth proportional to 207,036.64, 285,852.20 and 158,553.02 is: 218,911.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,036.64 : 285,852.20 = 158,553.02 : x
  2. Step 2: Convert to fraction form
    207,036.64/285,852.20 = 158,553.02/x
  3. Step 3: Cross multiply
    207,036.64x = 285,852.20 × 158,553.02
  4. Step 4: Simplify right side
    207,036.64x = 45,322,729,583.64
  5. Step 5: Solve for x
    x = 45,322,729,583.64/207,036.64
  6. Step 6: Final answer
    x = 218,911.64

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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.