Home / 290,961.13-401,466.16-170,079.03

Finding the Fourth Proportional to 290,961.13, 401,466.16 and 170,079.03

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Solution

The fourth proportional to 290,961.13, 401,466.16 and 170,079.03 is: 234,673.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,961.13 : 401,466.16 = 170,079.03 : x
  2. Step 2: Convert to fraction form
    290,961.13/401,466.16 = 170,079.03/x
  3. Step 3: Cross multiply
    290,961.13x = 401,466.16 × 170,079.03
  4. Step 4: Simplify right side
    290,961.13x = 68,280,975,070.62
  5. Step 5: Solve for x
    x = 68,280,975,070.62/290,961.13
  6. Step 6: Final answer
    x = 234,673.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.