Home / 193,424.56-290,071.12-67,035.36

Finding the Fourth Proportional to 193,424.56, 290,071.12 and 67,035.36

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Solution

The fourth proportional to 193,424.56, 290,071.12 and 67,035.36 is: 100,530.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,424.56 : 290,071.12 = 67,035.36 : x
  2. Step 2: Convert to fraction form
    193,424.56/290,071.12 = 67,035.36/x
  3. Step 3: Cross multiply
    193,424.56x = 290,071.12 × 67,035.36
  4. Step 4: Simplify right side
    193,424.56x = 19,445,021,954.80
  5. Step 5: Solve for x
    x = 19,445,021,954.80/193,424.56
  6. Step 6: Final answer
    x = 100,530.26

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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.