Home / 101,171.25-151,498.06-98,178.03

Finding the Fourth Proportional to 101,171.25, 151,498.06 and 98,178.03

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Solution

The fourth proportional to 101,171.25, 151,498.06 and 98,178.03 is: 147,015.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,171.25 : 151,498.06 = 98,178.03 : x
  2. Step 2: Convert to fraction form
    101,171.25/151,498.06 = 98,178.03/x
  3. Step 3: Cross multiply
    101,171.25x = 151,498.06 × 98,178.03
  4. Step 4: Simplify right side
    101,171.25x = 14,873,781,079.62
  5. Step 5: Solve for x
    x = 14,873,781,079.62/101,171.25
  6. Step 6: Final answer
    x = 147,015.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.