Home / 158,820.44-219,274.78-98,455.60

Finding the Fourth Proportional to 158,820.44, 219,274.78 and 98,455.60

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Solution

The fourth proportional to 158,820.44, 219,274.78 and 98,455.60 is: 135,932.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,820.44 : 219,274.78 = 98,455.60 : x
  2. Step 2: Convert to fraction form
    158,820.44/219,274.78 = 98,455.60/x
  3. Step 3: Cross multiply
    158,820.44x = 219,274.78 × 98,455.60
  4. Step 4: Simplify right side
    158,820.44x = 21,588,828,933.39
  5. Step 5: Solve for x
    x = 21,588,828,933.39/158,820.44
  6. Step 6: Final answer
    x = 135,932.31

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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.