Home / 201,739.40-302,090.70-148,862.60

Finding the Fourth Proportional to 201,739.40, 302,090.70 and 148,862.60

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Solution

The fourth proportional to 201,739.40, 302,090.70 and 148,862.60 is: 222,911.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,739.40 : 302,090.70 = 148,862.60 : x
  2. Step 2: Convert to fraction form
    201,739.40/302,090.70 = 148,862.60/x
  3. Step 3: Cross multiply
    201,739.40x = 302,090.70 × 148,862.60
  4. Step 4: Simplify right side
    201,739.40x = 44,970,007,037.82
  5. Step 5: Solve for x
    x = 44,970,007,037.82/201,739.40
  6. Step 6: Final answer
    x = 222,911.37

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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.