Home / 193,619.10-290,428.65-51,464.10

Finding the Fourth Proportional to 193,619.10, 290,428.65 and 51,464.10

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Solution

The fourth proportional to 193,619.10, 290,428.65 and 51,464.10 is: 77,196.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,619.10 : 290,428.65 = 51,464.10 : x
  2. Step 2: Convert to fraction form
    193,619.10/290,428.65 = 51,464.10/x
  3. Step 3: Cross multiply
    193,619.10x = 290,428.65 × 51,464.10
  4. Step 4: Simplify right side
    193,619.10x = 14,946,649,086.47
  5. Step 5: Solve for x
    x = 14,946,649,086.47/193,619.10
  6. Step 6: Final answer
    x = 77,196.15

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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.