Home / 101,343.70-151,273.39-89,373.22

Finding the Fourth Proportional to 101,343.70, 151,273.39 and 89,373.22

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Solution

The fourth proportional to 101,343.70, 151,273.39 and 89,373.22 is: 133,405.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,343.70 : 151,273.39 = 89,373.22 : x
  2. Step 2: Convert to fraction form
    101,343.70/151,273.39 = 89,373.22/x
  3. Step 3: Cross multiply
    101,343.70x = 151,273.39 × 89,373.22
  4. Step 4: Simplify right side
    101,343.70x = 13,519,789,964.62
  5. Step 5: Solve for x
    x = 13,519,789,964.62/101,343.70
  6. Step 6: Final answer
    x = 133,405.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.