Home / 401,480.66-602,278.26-131,551.04

Finding the Fourth Proportional to 401,480.66, 602,278.26 and 131,551.04

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Solution

The fourth proportional to 401,480.66, 602,278.26 and 131,551.04 is: 197,345.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,480.66 : 602,278.26 = 131,551.04 : x
  2. Step 2: Convert to fraction form
    401,480.66/602,278.26 = 131,551.04/x
  3. Step 3: Cross multiply
    401,480.66x = 602,278.26 × 131,551.04
  4. Step 4: Simplify right side
    401,480.66x = 79,230,331,472.39
  5. Step 5: Solve for x
    x = 79,230,331,472.39/401,480.66
  6. Step 6: Final answer
    x = 197,345.33

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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.