Home / 193,857.76-290,825.64-69,195.52

Finding the Fourth Proportional to 193,857.76, 290,825.64 and 69,195.52

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Solution

The fourth proportional to 193,857.76, 290,825.64 and 69,195.52 is: 103,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,857.76 : 290,825.64 = 69,195.52 : x
  2. Step 2: Convert to fraction form
    193,857.76/290,825.64 = 69,195.52/x
  3. Step 3: Cross multiply
    193,857.76x = 290,825.64 × 69,195.52
  4. Step 4: Simplify right side
    193,857.76x = 20,123,831,389.13
  5. Step 5: Solve for x
    x = 20,123,831,389.13/193,857.76
  6. Step 6: Final answer
    x = 103,807.20

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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.