Home / 193,719.12-290,578.22-51,564.40

Finding the Fourth Proportional to 193,719.12, 290,578.22 and 51,564.40

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Solution

The fourth proportional to 193,719.12, 290,578.22 and 51,564.40 is: 77,346.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,719.12 : 290,578.22 = 51,564.40 : x
  2. Step 2: Convert to fraction form
    193,719.12/290,578.22 = 51,564.40/x
  3. Step 3: Cross multiply
    193,719.12x = 290,578.22 × 51,564.40
  4. Step 4: Simplify right side
    193,719.12x = 14,983,491,567.37
  5. Step 5: Solve for x
    x = 14,983,491,567.37/193,719.12
  6. Step 6: Final answer
    x = 77,346.48

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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.