Home / 193,719.48-290,578.78-51,564.78

Finding the Fourth Proportional to 193,719.48, 290,578.78 and 51,564.78

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Solution

The fourth proportional to 193,719.48, 290,578.78 and 51,564.78 is: 77,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,719.48 : 290,578.78 = 51,564.78 : x
  2. Step 2: Convert to fraction form
    193,719.48/290,578.78 = 51,564.78/x
  3. Step 3: Cross multiply
    193,719.48x = 290,578.78 × 51,564.78
  4. Step 4: Simplify right side
    193,719.48x = 14,983,630,863.37
  5. Step 5: Solve for x
    x = 14,983,630,863.37/193,719.48
  6. Step 6: Final answer
    x = 77,347.05

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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.