Home / 401,936.09-602,445.49-161,896.34

Finding the Fourth Proportional to 401,936.09, 602,445.49 and 161,896.34

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Solution

The fourth proportional to 401,936.09, 602,445.49 and 161,896.34 is: 242,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,936.09 : 602,445.49 = 161,896.34 : x
  2. Step 2: Convert to fraction form
    401,936.09/602,445.49 = 161,896.34/x
  3. Step 3: Cross multiply
    401,936.09x = 602,445.49 × 161,896.34
  4. Step 4: Simplify right side
    401,936.09x = 97,533,720,981.88
  5. Step 5: Solve for x
    x = 97,533,720,981.88/401,936.09
  6. Step 6: Final answer
    x = 242,659.78

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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.