Home / 401,868.48-602,383.68-135,537.60

Finding the Fourth Proportional to 401,868.48, 602,383.68 and 135,537.60

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Solution

The fourth proportional to 401,868.48, 602,383.68 and 135,537.60 is: 203,165.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,868.48 : 602,383.68 = 135,537.60 : x
  2. Step 2: Convert to fraction form
    401,868.48/602,383.68 = 135,537.60/x
  3. Step 3: Cross multiply
    401,868.48x = 602,383.68 × 135,537.60
  4. Step 4: Simplify right side
    401,868.48x = 81,645,638,266.37
  5. Step 5: Solve for x
    x = 81,645,638,266.37/401,868.48
  6. Step 6: Final answer
    x = 203,165.07

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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.