Home / 102,243.25-153,378.85-35,673.60

Finding the Fourth Proportional to 102,243.25, 153,378.85 and 35,673.60

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Solution

The fourth proportional to 102,243.25, 153,378.85 and 35,673.60 is: 53,515.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,243.25 : 153,378.85 = 35,673.60 : x
  2. Step 2: Convert to fraction form
    102,243.25/153,378.85 = 35,673.60/x
  3. Step 3: Cross multiply
    102,243.25x = 153,378.85 × 35,673.60
  4. Step 4: Simplify right side
    102,243.25x = 5,471,575,743.36
  5. Step 5: Solve for x
    x = 5,471,575,743.36/102,243.25
  6. Step 6: Final answer
    x = 53,515.28

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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.