Home / 193,815.37-290,769.63-67,437.01

Finding the Fourth Proportional to 193,815.37, 290,769.63 and 67,437.01

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Solution

The fourth proportional to 193,815.37, 290,769.63 and 67,437.01 is: 101,171.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,815.37 : 290,769.63 = 67,437.01 : x
  2. Step 2: Convert to fraction form
    193,815.37/290,769.63 = 67,437.01/x
  3. Step 3: Cross multiply
    193,815.37x = 290,769.63 × 67,437.01
  4. Step 4: Simplify right side
    193,815.37x = 19,608,634,446.01
  5. Step 5: Solve for x
    x = 19,608,634,446.01/193,815.37
  6. Step 6: Final answer
    x = 101,171.72

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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.