Home / 201,546.48-302,220.36-68,378.16

Finding the Fourth Proportional to 201,546.48, 302,220.36 and 68,378.16

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Solution

The fourth proportional to 201,546.48, 302,220.36 and 68,378.16 is: 102,533.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,546.48 : 302,220.36 = 68,378.16 : x
  2. Step 2: Convert to fraction form
    201,546.48/302,220.36 = 68,378.16/x
  3. Step 3: Cross multiply
    201,546.48x = 302,220.36 × 68,378.16
  4. Step 4: Simplify right side
    201,546.48x = 20,665,272,131.34
  5. Step 5: Solve for x
    x = 20,665,272,131.34/201,546.48
  6. Step 6: Final answer
    x = 102,533.53

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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.